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29801252 = 2213573101
BaseRepresentation
bin111000110101…
…1101100100100
32002002001122002
41301223230210
530112120002
62542424432
7511210055
oct161535444
962061562
1029801252
1115905138
129b92118
1362356a0
143d5a72c
15293a002
hex1c6bb24

29801252 has 12 divisors (see below), whose sum is σ = 56163996. Its totient is φ = 13754400.

The previous prime is 29801251. The next prime is 29801257. The reversal of 29801252 is 25210892.

It can be written as a sum of positive squares in 2 ways, for example, as 16434916 + 13366336 = 4054^2 + 3656^2 .

It is a super-2 number, since 2×298012522 = 1776229241535008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29801251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286499 + ... + 286602.

It is an arithmetic number, because the mean of its divisors is an integer number (4680333).

Almost surely, 229801252 is an apocalyptic number.

It is an amenable number.

29801252 is a deficient number, since it is larger than the sum of its proper divisors (26362744).

29801252 is a wasteful number, since it uses less digits than its factorization.

29801252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573118 (or 573116 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 29801252 is about 5459.0522987053. The cubic root of 29801252 is about 310.0355561020.

The spelling of 29801252 in words is "twenty-nine million, eight hundred one thousand, two hundred fifty-two".

Divisors: 1 2 4 13 26 52 573101 1146202 2292404 7450313 14900626 29801252