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57399485 = 5111380279
BaseRepresentation
bin1101101011110…
…1100010111101
311000000012021212
43122331202331
5104143240420
65410134205
71264613303
oct332754275
9130005255
1057399485
112a4450a0
1217281365
13bb793c0
1478a2273
15508c3c5
hex36bd8bd

57399485 has 16 divisors (see below), whose sum is σ = 80922240. Its totient is φ = 38533440.

The previous prime is 57399473. The next prime is 57399491. The reversal of 57399485 is 58499375.

It is not a de Polignac number, because 57399485 - 210 = 57398461 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39425 + ... + 40854.

It is an arithmetic number, because the mean of its divisors is an integer number (5057640).

Almost surely, 257399485 is an apocalyptic number.

57399485 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

57399485 is a deficient number, since it is larger than the sum of its proper divisors (23522755).

57399485 is a wasteful number, since it uses less digits than its factorization.

57399485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80308.

The product of its digits is 1360800, while the sum is 50.

The square root of 57399485 is about 7576.2447822124. The cubic root of 57399485 is about 385.7470960070.

The spelling of 57399485 in words is "fifty-seven million, three hundred ninety-nine thousand, four hundred eighty-five".

Divisors: 1 5 11 13 55 65 143 715 80279 401395 883069 1043627 4415345 5218135 11479897 57399485