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133992650 = 25211243623
BaseRepresentation
bin1111111110010…
…01000011001010
3100100010112100202
413333021003022
5233300231100
621143532202
73214630061
oct777110312
9310115322
10133992650
11696a9730
1238a5a062
13219b5bbc
1413b1d1d8
15bb6b7d5
hex7fc90ca

133992650 has 24 divisors (see below), whose sum is σ = 271884384. Its totient is φ = 48724400.

The previous prime is 133992647. The next prime is 133992653. The reversal of 133992650 is 56299331.

It is an interprime number because it is at equal distance from previous prime (133992647) and next prime (133992653).

It is not an unprimeable number, because it can be changed into a prime (133992653) 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, 121262 + ... + 122361.

It is an arithmetic number, because the mean of its divisors is an integer number (11328516).

Almost surely, 2133992650 is an apocalyptic number.

133992650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133992650 is an abundant number, since it is smaller than the sum of its proper divisors (137891734).

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

133992650 is a wasteful number, since it uses less digits than its factorization.

133992650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243646 (or 243641 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 133992650 is about 11575.5194267903. The cubic root of 133992650 is about 511.7136383908.

The spelling of 133992650 in words is "one hundred thirty-three million, nine hundred ninety-two thousand, six hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 243623 487246 1218115 2436230 2679853 5359706 6090575 12181150 13399265 26798530 66996325 133992650