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52912146 = 2373779431
BaseRepresentation
bin1100100111011…
…0000000010010
310200120012211010
43021312000102
5102021142041
65130031350
71211513550
oct311660022
9120505733
1052912146
112795a751
1215878556
13ac67a81
147054bd0
1549a2a16
hex3276012

52912146 has 64 divisors (see below), whose sum is σ = 126074880. Its totient is φ = 14489280.

The previous prime is 52912141. The next prime is 52912147. The reversal of 52912146 is 64121925.

It is not an unprimeable number, because it can be changed into a prime (52912141) 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, 122551 + ... + 122981.

It is an arithmetic number, because the mean of its divisors is an integer number (1969920).

Almost surely, 252912146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52912146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63037440).

52912146 is an abundant number, since it is smaller than the sum of its proper divisors (73162734).

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

52912146 is a wasteful number, since it uses less digits than its factorization.

52912146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559.

The product of its digits is 4320, while the sum is 30.

The square root of 52912146 is about 7274.0735492570. The cubic root of 52912146 is about 375.4209104926.

The spelling of 52912146 in words is "fifty-two million, nine hundred twelve thousand, one hundred forty-six".

Divisors: 1 2 3 6 7 14 21 37 42 74 79 111 158 222 237 259 431 474 518 553 777 862 1106 1293 1554 1659 2586 2923 3017 3318 5846 6034 8769 9051 15947 17538 18102 20461 31894 34049 40922 47841 61383 68098 95682 102147 111629 122766 204294 223258 238343 334887 476686 669774 715029 1259813 1430058 2519626 3779439 7558878 8818691 17637382 26456073 52912146