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57930880 = 275767193
BaseRepresentation
bin1101110011111…
…1010010000000
311001000012020011
43130333102000
5104312242010
65425354304
71302255460
oct334772200
9131005204
1057930880
112a778367
1217498994
13c004237
14799dba0
155144a8a
hex373f480

57930880 has 128 divisors (see below), whose sum is σ = 161470080. Its totient is φ = 19464192.

The previous prime is 57930869. The next prime is 57930889. The reversal of 57930880 is 8803975.

57930880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (57930889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300064 + ... + 300256.

It is an arithmetic number, because the mean of its divisors is an integer number (1261485).

Almost surely, 257930880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57930880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80735040).

57930880 is an abundant number, since it is smaller than the sum of its proper divisors (103539200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57930880 is a wasteful number, since it uses less digits than its factorization.

57930880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 57930880 is about 7611.2338027418. The cubic root of 57930880 is about 386.9338357020.

The spelling of 57930880 in words is "fifty-seven million, nine hundred thirty thousand, eight hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 67 70 80 112 128 134 140 160 193 224 268 280 320 335 386 448 469 536 560 640 670 772 896 938 965 1072 1120 1340 1351 1544 1876 1930 2144 2240 2345 2680 2702 3088 3752 3860 4288 4480 4690 5360 5404 6176 6755 7504 7720 8576 9380 10720 10808 12352 12931 13510 15008 15440 18760 21440 21616 24704 25862 27020 30016 30880 37520 42880 43232 51724 54040 60032 61760 64655 75040 86464 90517 103448 108080 123520 129310 150080 172928 181034 206896 216160 258620 300160 362068 413792 432320 452585 517240 724136 827584 864640 905170 1034480 1448272 1655168 1810340 2068960 2896544 3620680 4137920 5793088 7241360 8275840 11586176 14482720 28965440 57930880