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57423480 = 2335292569
BaseRepresentation
bin1101101100001…
…1011001111000
311000001102012120
43123003121320
5104200022410
65410441240
71265043252
oct333033170
9130042176
1057423480
112a461124
1217293220
13bb872ba
1478aacd2
155094570
hex36c3678

57423480 has 96 divisors (see below), whose sum is σ = 178729200. Its totient is φ = 14758912.

The previous prime is 57423463. The next prime is 57423481. The reversal of 57423480 is 8432475.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57423481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100636 + ... + 101204.

Almost surely, 257423480 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 57423480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89364600).

57423480 is an abundant number, since it is smaller than the sum of its proper divisors (121305720).

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

57423480 is a wasteful number, since it uses less digits than its factorization.

57423480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 57423480 is about 7577.8281849089. The cubic root of 57423480 is about 385.8008404619.

The spelling of 57423480 in words is "fifty-seven million, four hundred twenty-three thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 29 30 40 58 60 87 116 120 145 174 232 290 348 435 569 580 696 841 870 1138 1160 1682 1707 1740 2276 2523 2845 3364 3414 3480 4205 4552 5046 5690 6728 6828 8410 8535 10092 11380 12615 13656 16501 16820 17070 20184 22760 25230 33002 33640 34140 49503 50460 66004 68280 82505 99006 100920 132008 165010 198012 247515 330020 396024 478529 495030 660040 957058 990060 1435587 1914116 1980120 2392645 2871174 3828232 4785290 5742348 7177935 9570580 11484696 14355870 19141160 28711740 57423480