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29528988 = 2233179379
BaseRepresentation
bin111000010100…
…1001110011100
32001120020011020
41300221032130
530024411423
62532524140
7505664226
oct160511634
961506136
1029528988
1115739625
129a80650
13616b798
143cc9416
1528d44e3
hex1c2939c

29528988 has 24 divisors (see below), whose sum is σ = 71124480. Its totient is φ = 9525360.

The previous prime is 29528981. The next prime is 29529029. The reversal of 29528988 is 88982592.

It is a super-2 number, since 2×295289882 = 1743922264608288, 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 29528988.

It is a congruent number.

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, 39318 + ... + 40061.

It is an arithmetic number, because the mean of its divisors is an integer number (2963520).

Almost surely, 229528988 is an apocalyptic number.

It is an amenable number.

29528988 is an abundant number, since it is smaller than the sum of its proper divisors (41595492).

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

29528988 is a wasteful number, since it uses less digits than its factorization.

29528988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79417 (or 79415 counting only the distinct ones).

The product of its digits is 829440, while the sum is 51.

The square root of 29528988 is about 5434.0581520628. The cubic root of 29528988 is about 309.0885053499.

The spelling of 29528988 in words is "twenty-nine million, five hundred twenty-eight thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 79379 158758 238137 317516 476274 952548 2460749 4921498 7382247 9842996 14764494 29528988