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57062070 = 2345135419
BaseRepresentation
bin1101100110101…
…1001010110110
310222101001110000
43121223022312
5104101441240
65355012130
71262006502
oct331531266
9128331400
1057062070
112a23463a
121713a046
13ba8b950
147815302
155022430
hex366b2b6

57062070 has 80 divisors (see below), whose sum is σ = 165266640. Its totient is φ = 14043456.

The previous prime is 57062059. The next prime is 57062099. The reversal of 57062070 is 7026075.

57062070 is a `hidden beast` number, since 570 + 6 + 20 + 70 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7821 + ... + 13239.

It is an arithmetic number, because the mean of its divisors is an integer number (2065833).

Almost surely, 257062070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57062070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82633320).

57062070 is an abundant number, since it is smaller than the sum of its proper divisors (108204570).

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

57062070 is a wasteful number, since it uses less digits than its factorization.

57062070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5451 (or 5442 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 57062070 is about 7553.9440029696. The cubic root of 57062070 is about 384.9897562912.

It can be divided in two parts, 5706 and 2070, that added together give a 5-th power (7776 = 65).

The spelling of 57062070 in words is "fifty-seven million, sixty-two thousand, seventy".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 81 90 117 130 135 162 195 234 270 351 390 405 585 702 810 1053 1170 1755 2106 3510 5265 5419 10530 10838 16257 27095 32514 48771 54190 70447 81285 97542 140894 146313 162570 211341 243855 292626 352235 422682 438939 487710 634023 704470 731565 877878 1056705 1268046 1463130 1902069 2113410 2194695 3170115 3804138 4389390 5706207 6340230 9510345 11412414 19020690 28531035 57062070