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57378306 = 2324593889
BaseRepresentation
bin1101101011100…
…0011000000010
310222222010020110
43122320120002
5104142101211
65405452150
71264464456
oct332703002
9128863213
1057378306
112a430197
1217271056
13bb6c87b
147898666
155085ea6
hex36b8602

57378306 has 16 divisors (see below), whose sum is σ = 114832800. Its totient is φ = 19113408.

The previous prime is 57378287. The next prime is 57378317. The reversal of 57378306 is 60387375.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12810 + ... + 16698.

It is an arithmetic number, because the mean of its divisors is an integer number (7177050).

Almost surely, 257378306 is an apocalyptic number.

57378306 is an abundant number, since it is smaller than the sum of its proper divisors (57454494).

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

57378306 is a wasteful number, since it uses less digits than its factorization.

57378306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6353.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 57378306 is about 7574.8469291465. The cubic root of 57378306 is about 385.6996464364.

The spelling of 57378306 in words is "fifty-seven million, three hundred seventy-eight thousand, three hundred six".

Divisors: 1 2 3 6 2459 3889 4918 7377 7778 11667 14754 23334 9563051 19126102 28689153 57378306