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29130900 = 2235297103
BaseRepresentation
bin110111100100…
…0000010010100
32000211000002020
41233020002110
524424142100
62520213140
7502415511
oct157100224
960730066
1029130900
1115497527
12990a1b0
13605c526
143c24308
1528565a0
hex1bc8094

29130900 has 36 divisors (see below), whose sum is σ = 84286272. Its totient is φ = 7768160.

The previous prime is 29130889. The next prime is 29130901. The reversal of 29130900 is 903192.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29130901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48252 + ... + 48851.

Almost surely, 229130900 is an apocalyptic number.

29130900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29130900 is an abundant number, since it is smaller than the sum of its proper divisors (55155372).

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

29130900 is a wasteful number, since it uses less digits than its factorization.

29130900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97120 (or 97113 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 29130900 is about 5397.3048829948. The cubic root of 29130900 is about 307.6932488753.

The spelling of 29130900 in words is "twenty-nine million, one hundred thirty thousand, nine hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 97103 194206 291309 388412 485515 582618 971030 1165236 1456545 1942060 2427575 2913090 4855150 5826180 7282725 9710300 14565450 29130900