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57106434 = 23711217661
BaseRepresentation
bin1101100111011…
…0000000000010
310222110022022010
43121312000002
5104104401214
65355553350
71262253030
oct331660002
9128408263
1057106434
112a264a00
121715b856
13baa5bb8
147827550
155030659
hex3676002

57106434 has 96 divisors (see below), whose sum is σ = 152143488. Its totient is φ = 13939200.

The previous prime is 57106411. The next prime is 57106453. The reversal of 57106434 is 43460175.

It is a super-2 number, since 2×571064342 = 6522289608392712, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 86064 + ... + 86724.

It is an arithmetic number, because the mean of its divisors is an integer number (1584828).

Almost surely, 257106434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57106434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76071744).

57106434 is an abundant number, since it is smaller than the sum of its proper divisors (95037054).

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

57106434 is a wasteful number, since it uses less digits than its factorization.

57106434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 57106434 is about 7556.8799117096. The cubic root of 57106434 is about 385.0895030007.

It can be divided in two parts, 57 and 106434, that added together give a triangular number (106491 = T461).

The spelling of 57106434 in words is "fifty-seven million, one hundred six thousand, four hundred thirty-four".

Divisors: 1 2 3 6 7 11 14 17 21 22 33 34 42 51 66 77 102 119 121 154 187 231 238 242 357 363 374 462 561 661 714 726 847 1122 1309 1322 1694 1983 2057 2541 2618 3927 3966 4114 4627 5082 6171 7271 7854 9254 11237 12342 13881 14399 14542 21813 22474 27762 28798 33711 43197 43626 50897 67422 78659 79981 86394 101794 123607 152691 157318 159962 235977 239943 247214 305382 370821 471954 479886 559867 741642 865249 1119734 1359677 1679601 1730498 2595747 2719354 3359202 4079031 5191494 8158062 9517739 19035478 28553217 57106434