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57744066 = 23103223419
BaseRepresentation
bin1101110001000…
…1101011000010
311000122200222010
43130101223002
5104240302231
65421353350
71300550022
oct334215302
9130580863
1057744066
112a65aa76
1217408856
13bc6a1b3
147951a82
155109546
hex3711ac2

57744066 has 32 divisors (see below), whose sum is σ = 117411840. Its totient is φ = 18930384.

The previous prime is 57743999. The next prime is 57744079. The reversal of 57744066 is 66044775.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137605 + ... + 138023.

It is an arithmetic number, because the mean of its divisors is an integer number (3669120).

Almost surely, 257744066 is an apocalyptic number.

57744066 is an abundant number, since it is smaller than the sum of its proper divisors (59667774).

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

57744066 is a wasteful number, since it uses less digits than its factorization.

57744066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750.

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 57744066 is about 7598.9516382196. The cubic root of 57744066 is about 386.5174630774.

The spelling of 57744066 in words is "fifty-seven million, seven hundred forty-four thousand, sixty-six".

Divisors: 1 2 3 6 103 206 223 309 419 446 618 669 838 1257 1338 2514 22969 43157 45938 68907 86314 93437 129471 137814 186874 258942 280311 560622 9624011 19248022 28872033 57744066