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29528931 = 329339413
BaseRepresentation
bin111000010100…
…1001101100011
32001120020002010
41300221031203
530024411211
62532524003
7505664115
oct160511543
961506063
1029528931
1115739583
129a80603
13616b753
143cc93b5
1528d44a6
hex1c29363

29528931 has 8 divisors (see below), whose sum is σ = 40729680. Its totient is φ = 19007072.

The previous prime is 29528927. The next prime is 29528953. The reversal of 29528931 is 13982592.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29528931 - 22 = 29528927 is a prime.

It is a super-2 number, since 2×295289312 = 1743915532005522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29528931.

It is not an unprimeable number, because it can be changed into a prime (29528981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169620 + ... + 169793.

It is an arithmetic number, because the mean of its divisors is an integer number (5091210).

Almost surely, 229528931 is an apocalyptic number.

29528931 is a deficient number, since it is larger than the sum of its proper divisors (11200749).

29528931 is a wasteful number, since it uses less digits than its factorization.

29528931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339445.

The product of its digits is 38880, while the sum is 39.

The square root of 29528931 is about 5434.0529073611. The cubic root of 29528931 is about 309.0883064712.

The spelling of 29528931 in words is "twenty-nine million, five hundred twenty-eight thousand, nine hundred thirty-one".

Divisors: 1 3 29 87 339413 1018239 9842977 29528931