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52886394 = 23211377219
BaseRepresentation
bin1100100110111…
…1101101111010
310200111220111100
43021233231322
5102014331034
65125312230
71211345511
oct311575572
9120456440
1052886394
1127942370
1215865676
13ac59132
147049678
15499a099
hex326fb7a

52886394 has 48 divisors (see below), whose sum is σ = 128400480. Its totient is φ = 15590880.

The previous prime is 52886369. The next prime is 52886399. The reversal of 52886394 is 49368825.

52886394 is a `hidden beast` number, since 5 + 2 + 8 + 8 + 639 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (52886399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3717 + ... + 10935.

It is an arithmetic number, because the mean of its divisors is an integer number (2675010).

Almost surely, 252886394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52886394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64200240).

52886394 is an abundant number, since it is smaller than the sum of its proper divisors (75514086).

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

52886394 is a wasteful number, since it uses less digits than its factorization.

52886394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7275 (or 7272 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 52886394 is about 7272.3032115005. The cubic root of 52886394 is about 375.3599956311.

It can be divided in two parts, 52 and 886394, that added together give a triangular number (886446 = T1331).

The spelling of 52886394 in words is "fifty-two million, eight hundred eighty-six thousand, three hundred ninety-four".

Divisors: 1 2 3 6 9 11 18 22 33 37 66 74 99 111 198 222 333 407 666 814 1221 2442 3663 7219 7326 14438 21657 43314 64971 79409 129942 158818 238227 267103 476454 534206 714681 801309 1429362 1602618 2403927 2938133 4807854 5876266 8814399 17628798 26443197 52886394