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29390628 = 2232449219
BaseRepresentation
bin111000000011…
…1011100100100
32001022012100210
41300013130210
530011000003
62525535420
7504546651
oct160073444
961265323
1029390628
1115654683
129a14570
136120807
143c90c28
1528a8503
hex1c07724

29390628 has 12 divisors (see below), whose sum is σ = 68578160. Its totient is φ = 9796872.

The previous prime is 29390623. The next prime is 29390639. The reversal of 29390628 is 82609392.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (29390623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1224598 + ... + 1224621.

Almost surely, 229390628 is an apocalyptic number.

It is an amenable number.

29390628 is an abundant number, since it is smaller than the sum of its proper divisors (39187532).

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

29390628 is a wasteful number, since it uses less digits than its factorization.

29390628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2449226 (or 2449224 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 29390628 is about 5421.3123872361. The cubic root of 29390628 is about 308.6049979401.

The spelling of 29390628 in words is "twenty-nine million, three hundred ninety thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 12 2449219 4898438 7347657 9796876 14695314 29390628