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29431485 = 335311701
BaseRepresentation
bin111000001000…
…1011010111101
32001101021102000
41300101122331
530013301420
62530452513
7505110036
oct160213275
961337360
1029431485
1115682346
129a34139
1361362a5
143ca1a8d
1528b5690
hex1c116bd

29431485 has 32 divisors (see below), whose sum is σ = 52565760. Its totient is φ = 15624000.

The previous prime is 29431477. The next prime is 29431487. The reversal of 29431485 is 58413492.

It is not a de Polignac number, because 29431485 - 23 = 29431477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29431487) 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 31 ways as a sum of consecutive naturals, for example, 41635 + ... + 42335.

It is an arithmetic number, because the mean of its divisors is an integer number (1642680).

Almost surely, 229431485 is an apocalyptic number.

It is an amenable number.

29431485 is a deficient number, since it is larger than the sum of its proper divisors (23134275).

29431485 is a wasteful number, since it uses less digits than its factorization.

29431485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026 (or 1020 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 29431485 is about 5425.0792620938. The cubic root of 29431485 is about 308.7479328048.

The spelling of 29431485 in words is "twenty-nine million, four hundred thirty-one thousand, four hundred eighty-five".

Divisors: 1 3 5 9 15 27 45 135 311 701 933 1555 2103 2799 3505 4665 6309 8397 10515 13995 18927 31545 41985 94635 218011 654033 1090055 1962099 3270165 5886297 9810495 29431485