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52051415 = 5132337941
BaseRepresentation
bin1100011010001…
…1110111010111
310121221111010012
43012203313113
5101311121130
65055350435
71201300253
oct306436727
9117844105
1052051415
1127421aa9
121552241b
13aa26070
146cad263
154882995
hex31a3dd7

52051415 has 32 divisors (see below), whose sum is σ = 72164736. Its totient is φ = 35735040.

The previous prime is 52051411. The next prime is 52051451. The reversal of 52051415 is 51415025.

It is a happy number.

It is not a de Polignac number, because 52051415 - 22 = 52051411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52051411) 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, 54845 + ... + 55785.

It is an arithmetic number, because the mean of its divisors is an integer number (2255148).

Almost surely, 252051415 is an apocalyptic number.

52051415 is a deficient number, since it is larger than the sum of its proper divisors (20113321).

52051415 is a wasteful number, since it uses less digits than its factorization.

52051415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 52051415 is about 7214.6666589663. Note that the first 4 decimals coincide. The cubic root of 52051415 is about 373.3740925064.

The spelling of 52051415 in words is "fifty-two million, fifty-one thousand, four hundred fifteen".

Divisors: 1 5 13 23 37 65 115 185 299 481 851 941 1495 2405 4255 4705 11063 12233 21643 34817 55315 61165 108215 174085 281359 452621 800791 1406795 2263105 4003955 10410283 52051415