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29534381 = 233126757
BaseRepresentation
bin111000010101…
…0100010101101
32001120111112222
41300222202231
530030100011
62533005125
7506016032
oct160524255
961514488
1029534381
1115742688
129a837a5
136171086
143ccb389
1528d5ddb
hex1c2a8ad

29534381 has 4 divisors (see below), whose sum is σ = 29661372. Its totient is φ = 29407392.

The previous prime is 29534357. The next prime is 29534411. The reversal of 29534381 is 18343592.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8649481 + 20884900 = 2941^2 + 4570^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29534381 is a prime.

It is a super-2 number, since 2×295343812 = 1744559322106322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29534311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63146 + ... + 63611.

It is an arithmetic number, because the mean of its divisors is an integer number (7415343).

Almost surely, 229534381 is an apocalyptic number.

It is an amenable number.

29534381 is a deficient number, since it is larger than the sum of its proper divisors (126991).

29534381 is a wasteful number, since it uses less digits than its factorization.

29534381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126990.

The product of its digits is 25920, while the sum is 35.

The square root of 29534381 is about 5434.5543515545. The cubic root of 29534381 is about 309.1073209043.

The spelling of 29534381 in words is "twenty-nine million, five hundred thirty-four thousand, three hundred eighty-one".

Divisors: 1 233 126757 29534381