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29739969 = 327472063
BaseRepresentation
bin111000101110…
…0101111000001
32001221221120100
41301130233001
530103134334
62541233013
7510533310
oct161345701
961857510
1029739969
1115873096
129b62769
13621381c
143d42277
152926c99
hex1c5cbc1

29739969 has 12 divisors (see below), whose sum is σ = 49094656. Its totient is φ = 16994232.

The previous prime is 29739967. The next prime is 29739977. The reversal of 29739969 is 96993792.

It is not a de Polignac number, because 29739969 - 21 = 29739967 is a prime.

It is a super-2 number, since 2×297399692 = 1768931512241922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29739967) 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 11 ways as a sum of consecutive naturals, for example, 235969 + ... + 236094.

Almost surely, 229739969 is an apocalyptic number.

It is an amenable number.

29739969 is a deficient number, since it is larger than the sum of its proper divisors (19354687).

29739969 is a wasteful number, since it uses less digits than its factorization.

29739969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472076 (or 472073 counting only the distinct ones).

The product of its digits is 1653372, while the sum is 54.

The square root of 29739969 is about 5453.4364395306. The cubic root of 29739969 is about 309.8228922445.

The spelling of 29739969 in words is "twenty-nine million, seven hundred thirty-nine thousand, nine hundred sixty-nine".

Divisors: 1 3 7 9 21 63 472063 1416189 3304441 4248567 9913323 29739969