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52211874 = 231113231151
BaseRepresentation
bin1100011100101…
…1000010100010
310122020122020010
43013023002202
5101331234444
65103025350
71202536131
oct307130242
9118218203
1052211874
1127521610
121559b256
13aa81100
146d11918
1548b52b9
hex31cb0a2

52211874 has 96 divisors (see below), whose sum is σ = 128176128. Its totient is φ = 14040000.

The previous prime is 52211869. The next prime is 52211923. The reversal of 52211874 is 47811225.

Its product of digits (4480) is a multiple of the sum of its prime factors (224).

It is a nialpdrome in base 13.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 345699 + ... + 345849.

It is an arithmetic number, because the mean of its divisors is an integer number (1335168).

Almost surely, 252211874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52211874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64088064).

52211874 is an abundant number, since it is smaller than the sum of its proper divisors (75964254).

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

52211874 is a wasteful number, since it uses less digits than its factorization.

52211874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 211 counting only the distinct ones).

The product of its digits is 4480, while the sum is 30.

The square root of 52211874 is about 7225.7784355736. The cubic root of 52211874 is about 373.7573659544.

The spelling of 52211874 in words is "fifty-two million, two hundred eleven thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 11 13 22 26 31 33 39 62 66 78 93 143 151 169 186 286 302 338 341 403 429 453 507 682 806 858 906 1014 1023 1209 1661 1859 1963 2046 2418 3322 3718 3926 4433 4681 4983 5239 5577 5889 8866 9362 9966 10478 11154 11778 13299 14043 15717 21593 25519 26598 28086 31434 43186 51038 51491 57629 60853 64779 76557 102982 115258 121706 129558 153114 154473 172887 182559 280709 308946 345774 365118 561418 669383 791089 842127 1338766 1582178 1684254 2008149 2373267 4016298 4746534 8701979 17403958 26105937 52211874