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57279434 = 2151241787
BaseRepresentation
bin1101101010000…
…0001111001010
310222210002121112
43122200033022
5104130420214
65403410322
71263603302
oct332401712
9128702545
1057279434
112a372983
12172239a2
13bb36874
147870602
155066a3e
hex36a03ca

57279434 has 16 divisors (see below), whose sum is σ = 86957376. Its totient is φ = 28296000.

The previous prime is 57279371. The next prime is 57279451. The reversal of 57279434 is 43497275.

It is a junction number, because it is equal to n+sod(n) for n = 57279391 and 57279400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72389 + ... + 73175.

It is an arithmetic number, because the mean of its divisors is an integer number (5434836).

Almost surely, 257279434 is an apocalyptic number.

57279434 is a deficient number, since it is larger than the sum of its proper divisors (29677942).

57279434 is a wasteful number, since it uses less digits than its factorization.

57279434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181.

The product of its digits is 211680, while the sum is 41.

The square root of 57279434 is about 7568.3177787405. The cubic root of 57279434 is about 385.4779783341.

The spelling of 57279434 in words is "fifty-seven million, two hundred seventy-nine thousand, four hundred thirty-four".

Divisors: 1 2 151 241 302 482 787 1574 36391 72782 118837 189667 237674 379334 28639717 57279434