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133480692 = 22323707797
BaseRepresentation
bin1111111010011…
…00000011110100
3100022011112002100
413331030003310
5233132340232
621124542100
73210365352
oct775140364
9308145070
10133480692
116938a024
1238851930
1321866b77
1413a287d2
15bab9c7c
hex7f4c0f4

133480692 has 18 divisors (see below), whose sum is σ = 337409618. Its totient is φ = 44493552.

The previous prime is 133480679. The next prime is 133480717. The reversal of 133480692 is 296084331.

It can be written as a sum of positive squares in only one way, i.e., 78216336 + 55264356 = 8844^2 + 7434^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3707797 = 133480692 / (1 + 3 + 3 + 4 + 8 + 0 + 6 + 9 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1853863 + ... + 1853934.

Almost surely, 2133480692 is an apocalyptic number.

133480692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133480692 is an abundant number, since it is smaller than the sum of its proper divisors (203928926).

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

133480692 is a wasteful number, since it uses less digits than its factorization.

133480692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707807 (or 3707802 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 133480692 is about 11553.3844392022. The cubic root of 133480692 is about 511.0610895316.

The spelling of 133480692 in words is "one hundred thirty-three million, four hundred eighty thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 3707797 7415594 11123391 14831188 22246782 33370173 44493564 66740346 133480692