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52173590 = 257745337
BaseRepresentation
bin1100011100000…
…1101100010110
310122011200201012
43013001230112
5101324023330
65102132222
71202316410
oct307015426
9118150635
1052173590
11274a5877
1215581072
13aa69861
146d019b0
1548a8c95
hex31c1b16

52173590 has 16 divisors (see below), whose sum is σ = 107328672. Its totient is φ = 17888064.

The previous prime is 52173587. The next prime is 52173599. The reversal of 52173590 is 9537125.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52173599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372599 + ... + 372738.

It is an arithmetic number, because the mean of its divisors is an integer number (6708042).

Almost surely, 252173590 is an apocalyptic number.

52173590 is an abundant number, since it is smaller than the sum of its proper divisors (55155082).

52173590 is a wasteful number, since it uses less digits than its factorization.

52173590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745351.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 52173590 is about 7223.1288234393. The cubic root of 52173590 is about 373.6659919390.

The spelling of 52173590 in words is "fifty-two million, one hundred seventy-three thousand, five hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 745337 1490674 3726685 5217359 7453370 10434718 26086795 52173590