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57429678 = 2359316141
BaseRepresentation
bin1101101100010…
…0111010101110
311000001201201010
43123010322232
5104200222203
65410530050
71265100315
oct333047256
9130051633
1057429678
112a465849
1217296926
13bb8a077
1478ad27c
155096303
hex36c4eae

57429678 has 16 divisors (see below), whose sum is σ = 115060176. Its totient is φ = 19109760.

The previous prime is 57429677. The next prime is 57429683. The reversal of 57429678 is 87692475.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57429677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4513 + ... + 11628.

It is an arithmetic number, because the mean of its divisors is an integer number (7191261).

Almost surely, 257429678 is an apocalyptic number.

57429678 is an abundant number, since it is smaller than the sum of its proper divisors (57630498).

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

57429678 is a wasteful number, since it uses less digits than its factorization.

57429678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16739.

The product of its digits is 846720, while the sum is 48.

The square root of 57429678 is about 7578.2371300983. The cubic root of 57429678 is about 385.8147204264.

The spelling of 57429678 in words is "fifty-seven million, four hundred twenty-nine thousand, six hundred seventy-eight".

Divisors: 1 2 3 6 593 1186 1779 3558 16141 32282 48423 96846 9571613 19143226 28714839 57429678