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52793790 = 2357594261
BaseRepresentation
bin1100100101100…
…1000110111110
310200100012110120
43021121012332
5102003400130
65123315410
71210511520
oct311310676
9120305416
1052793790
1127889835
121581bb66
13ac25c3a
147023a10
15497c910
hex32591be

52793790 has 64 divisors (see below), whose sum is σ = 147294720. Its totient is φ = 11859840.

The previous prime is 52793779. The next prime is 52793791. The reversal of 52793790 is 9739725.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52793791) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10260 + ... + 14520.

It is an arithmetic number, because the mean of its divisors is an integer number (2301480).

Almost surely, 252793790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52793790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73647360).

52793790 is an abundant number, since it is smaller than the sum of its proper divisors (94500930).

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

52793790 is a wasteful number, since it uses less digits than its factorization.

52793790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4337.

The product of its (nonzero) digits is 119070, while the sum is 42.

The square root of 52793790 is about 7265.9335257075. The cubic root of 52793790 is about 375.1407826962.

The spelling of 52793790 in words is "fifty-two million, seven hundred ninety-three thousand, seven hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 59 70 105 118 177 210 295 354 413 590 826 885 1239 1770 2065 2478 4130 4261 6195 8522 12390 12783 21305 25566 29827 42610 59654 63915 89481 127830 149135 178962 251399 298270 447405 502798 754197 894810 1256995 1508394 1759793 2513990 3519586 3770985 5279379 7541970 8798965 10558758 17597930 26396895 52793790