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53040570 = 23511971657
BaseRepresentation
bin1100101001010…
…1010110111010
310200210201222120
43022111112322
5102034244240
65132502110
71212560142
oct312252672
9120721876
1053040570
1127a38190
121591a936
13acb136b
147089922
1549caad0
hex32955ba

53040570 has 64 divisors (see below), whose sum is σ = 140386176. Its totient is φ = 12718080.

The previous prime is 53040563. The next prime is 53040577. The reversal of 53040570 is 7504035.

It is an interprime number because it is at equal distance from previous prime (53040563) and next prime (53040577).

It is a self number, because there is not a number n which added to its sum of digits gives 53040570.

It is not an unprimeable number, because it can be changed into a prime (53040577) 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, 31182 + ... + 32838.

It is an arithmetic number, because the mean of its divisors is an integer number (2193534).

Almost surely, 253040570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53040570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70193088).

53040570 is an abundant number, since it is smaller than the sum of its proper divisors (87345606).

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

53040570 is a wasteful number, since it uses less digits than its factorization.

53040570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775.

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 53040570 is about 7282.8957153045. The cubic root of 53040570 is about 375.7243953250.

The spelling of 53040570 in words is "fifty-three million, forty thousand, five hundred seventy".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 97 110 165 194 291 330 485 582 970 1067 1455 1657 2134 2910 3201 3314 4971 5335 6402 8285 9942 10670 16005 16570 18227 24855 32010 36454 49710 54681 91135 109362 160729 182270 273405 321458 482187 546810 803645 964374 1607290 1768019 2410935 3536038 4821870 5304057 8840095 10608114 17680190 26520285 53040570