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52146684 = 223217139613
BaseRepresentation
bin1100011011101…
…1000111111100
310122010022210200
43012323013330
5101322143214
65101403500
71202145102
oct306730774
9118108720
1052146684
1127487637
1215569590
13aa5a535
146cd5c72
1548a0d09
hex31bb1fc

52146684 has 72 divisors (see below), whose sum is σ = 140802480. Its totient is φ = 16215552.

The previous prime is 52146673. The next prime is 52146709. The reversal of 52146684 is 48664125.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84762 + ... + 85374.

It is an arithmetic number, because the mean of its divisors is an integer number (1955590).

Almost surely, 252146684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52146684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70401240).

52146684 is an abundant number, since it is smaller than the sum of its proper divisors (88655796).

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

52146684 is a wasteful number, since it uses less digits than its factorization.

52146684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779 (or 774 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 52146684 is about 7221.2660939755. The cubic root of 52146684 is about 373.6017475200.

It can be divided in two parts, 5 and 2146684, that added together give a cube (2146689 = 1293).

The spelling of 52146684 in words is "fifty-two million, one hundred forty-six thousand, six hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 139 153 204 278 306 417 556 612 613 834 1226 1251 1668 1839 2363 2452 2502 3678 4726 5004 5517 7089 7356 9452 10421 11034 14178 20842 21267 22068 28356 31263 41684 42534 62526 85068 85207 93789 125052 170414 187578 255621 340828 375156 511242 766863 1022484 1448519 1533726 2897038 3067452 4345557 5794076 8691114 13036671 17382228 26073342 52146684