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27929152 = 262811553
BaseRepresentation
bin110101010001…
…0101001000000
31221112221121001
41222202221000
524122213102
62434341344
7456252046
oct152425100
957487531
1027929152
1114846649
12942a854
135a2b534
1439d0396
1526ba487
hex1aa2a40

27929152 has 28 divisors (see below), whose sum is σ = 55654956. Its totient is φ = 13905920.

The previous prime is 27929149. The next prime is 27929197. The reversal of 27929152 is 25192972.

It can be written as a sum of positive squares in 2 ways, for example, as 10086976 + 17842176 = 3176^2 + 4224^2 .

It is a super-4 number, since 4×279291524 (a number of 31 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17208 + ... + 18760.

It is an arithmetic number, because the mean of its divisors is an integer number (1987677).

Almost surely, 227929152 is an apocalyptic number.

It is an amenable number.

27929152 is a deficient number, since it is larger than the sum of its proper divisors (27725804).

27929152 is a wasteful number, since it uses less digits than its factorization.

27929152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846 (or 1836 counting only the distinct ones).

The product of its digits is 22680, while the sum is 37.

The square root of 27929152 is about 5284.8038752635. The cubic root of 27929152 is about 303.4025662792.

The spelling of 27929152 in words is "twenty-seven million, nine hundred twenty-nine thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 32 64 281 562 1124 1553 2248 3106 4496 6212 8992 12424 17984 24848 49696 99392 436393 872786 1745572 3491144 6982288 13964576 27929152