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29419872 = 253306457
BaseRepresentation
bin111000000111…
…0100101100000
32001100200110220
41300032211200
530012413442
62530323040
7505031136
oct160164540
961320426
1029419872
1115674649
129a29480
136130c11
143c9b756
1528b1eec
hex1c0e960

29419872 has 24 divisors (see below), whose sum is σ = 77227416. Its totient is φ = 9806592.

The previous prime is 29419813. The next prime is 29419879. The reversal of 29419872 is 27891492.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29419879) 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, 153133 + ... + 153324.

It is an arithmetic number, because the mean of its divisors is an integer number (3217809).

Almost surely, 229419872 is an apocalyptic number.

It is an amenable number.

29419872 is an abundant number, since it is smaller than the sum of its proper divisors (47807544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29419872 is a wasteful number, since it uses less digits than its factorization.

29419872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306470 (or 306462 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 29419872 is about 5424.0088495503. The cubic root of 29419872 is about 308.7073191396.

The spelling of 29419872 in words is "twenty-nine million, four hundred nineteen thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 306457 612914 919371 1225828 1838742 2451656 3677484 4903312 7354968 9806624 14709936 29419872