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57072476 = 22234767197
BaseRepresentation
bin1101100110110…
…1101101011100
310222101120201102
43121231231130
5104102304401
65355132232
71262052026
oct331555534
9128346642
1057072476
112a24143a
1217144078
13ba935c6
147819016
15502556b
hex366db5c

57072476 has 48 divisors (see below), whose sum is σ = 108573696. Its totient is φ = 26182464.

The previous prime is 57072469. The next prime is 57072479. The reversal of 57072476 is 67427075.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57072479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289610 + ... + 289806.

It is an arithmetic number, because the mean of its divisors is an integer number (2261952).

Almost surely, 257072476 is an apocalyptic number.

It is an amenable number.

57072476 is a deficient number, since it is larger than the sum of its proper divisors (51501220).

57072476 is a wasteful number, since it uses less digits than its factorization.

57072476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 57072476 is about 7554.6327508357. The cubic root of 57072476 is about 385.0131574747.

The spelling of 57072476 in words is "fifty-seven million, seventy-two thousand, four hundred seventy-six".

Divisors: 1 2 4 23 46 47 67 92 94 134 188 197 268 394 788 1081 1541 2162 3082 3149 4324 4531 6164 6298 9062 9259 12596 13199 18124 18518 26398 37036 52796 72427 144854 212957 289708 303577 425914 607154 620353 851828 1214308 1240706 2481412 14268119 28536238 57072476