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204151552 = 281172497
BaseRepresentation
bin11000010101100…
…01101100000000
3112020010222021121
430022301230000
5404230322202
632131402024
75026155013
oct1412615400
9466128247
10204151552
11a52690a0
1258453314
13333abb47
141d18337a
1512dc9537
hexc2b1b00

204151552 has 36 divisors (see below), whose sum is σ = 444557736. Its totient is φ = 92794880.

The previous prime is 204151511. The next prime is 204151553. The reversal of 204151552 is 255151402.

It is not an unprimeable number, because it can be changed into a prime (204151553) 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, 33433 + ... + 39064.

It is an arithmetic number, because the mean of its divisors is an integer number (12348826).

Almost surely, 2204151552 is an apocalyptic number.

204151552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

204151552 is an abundant number, since it is smaller than the sum of its proper divisors (240406184).

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

204151552 is an equidigital number, since it uses as much as digits as its factorization.

204151552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72524 (or 72510 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 204151552 is about 14288.1612532894. The cubic root of 204151552 is about 588.8222719206.

The spelling of 204151552 in words is "two hundred four million, one hundred fifty-one thousand, five hundred fifty-two".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 128 176 256 352 704 1408 2816 72497 144994 289988 579976 797467 1159952 1594934 2319904 3189868 4639808 6379736 9279616 12759472 18559232 25518944 51037888 102075776 204151552