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133372087 = 37297423
BaseRepresentation
bin1111111001100…
…01100010110111
3100021222000002221
413330301202313
5233120401322
621122343211
73206433622
oct774614267
9307860087
10133372087
1169315472
12387bab07
13218295c4
14139dadb9
15ba979c7
hex7f318b7

133372087 has 6 divisors (see below), whose sum is σ = 137075568. Its totient is φ = 129766104.

The previous prime is 133372079. The next prime is 133372091. The reversal of 133372087 is 780273331.

It is not a de Polignac number, because 133372087 - 23 = 133372079 is a prime.

It is a super-2 number, since 2×1333720872 = 35576227181471138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133372027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47343 + ... + 50080.

It is an arithmetic number, because the mean of its divisors is an integer number (22845928).

Almost surely, 2133372087 is an apocalyptic number.

133372087 is a deficient number, since it is larger than the sum of its proper divisors (3703481).

133372087 is an frugal number, since it uses more digits than its factorization.

133372087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97497 (or 97460 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 133372087 is about 11548.6833448666. The cubic root of 133372087 is about 510.9224456350.

The spelling of 133372087 in words is "one hundred thirty-three million, three hundred seventy-two thousand, eighty-seven".

Divisors: 1 37 1369 97423 3604651 133372087