Search a number
-
+
57045296 = 24711192437
BaseRepresentation
bin1101100110011…
…1000100110000
310222100012102202
43121213010300
5104100422141
65354402332
71261606550
oct331470460
9128305382
1057045296
112a222a80
12171303a8
13ba84119
14780d160
15501c49b
hex3667130

57045296 has 80 divisors (see below), whose sum is σ = 145109760. Its totient is φ = 21047040.

The previous prime is 57045269. The next prime is 57045299. The reversal of 57045296 is 69254075.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (57045299) 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, 22190 + ... + 24626.

It is an arithmetic number, because the mean of its divisors is an integer number (1813872).

Almost surely, 257045296 is an apocalyptic number.

57045296 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57045296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72554880).

57045296 is an abundant number, since it is smaller than the sum of its proper divisors (88064464).

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

57045296 is a wasteful number, since it uses less digits than its factorization.

57045296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2482 (or 2476 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 57045296 is about 7552.8336404293. The cubic root of 57045296 is about 384.9520286550.

The spelling of 57045296 in words is "fifty-seven million, forty-five thousand, two hundred ninety-six".

Divisors: 1 2 4 7 8 11 14 16 19 22 28 38 44 56 76 77 88 112 133 152 154 176 209 266 304 308 418 532 616 836 1064 1232 1463 1672 2128 2437 2926 3344 4874 5852 9748 11704 17059 19496 23408 26807 34118 38992 46303 53614 68236 92606 107228 136472 185212 187649 214456 272944 324121 370424 375298 428912 509333 648242 740848 750596 1018666 1296484 1501192 2037332 2592968 3002384 3565331 4074664 5185936 7130662 8149328 14261324 28522648 57045296