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133480590 = 23510144053
BaseRepresentation
bin1111111010011…
…00000010001110
3100022011111221120
413331030002032
5233132334330
621124541410
73210365145
oct775140216
9308144846
10133480590
1169389a41
1238851866
1321866ac9
1413a2875c
15bab9c10
hex7f4c08e

133480590 has 32 divisors (see below), whose sum is σ = 323532576. Its totient is φ = 35241600.

The previous prime is 133480559. The next prime is 133480603. The reversal of 133480590 is 95084331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18997 + ... + 25056.

It is an arithmetic number, because the mean of its divisors is an integer number (10110393).

Almost surely, 2133480590 is an apocalyptic number.

133480590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133480590 is an abundant number, since it is smaller than the sum of its proper divisors (190051986).

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

133480590 is a wasteful number, since it uses less digits than its factorization.

133480590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44164.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 133480590 is about 11553.3800249105. The cubic root of 133480590 is about 511.0609593548.

The spelling of 133480590 in words is "one hundred thirty-three million, four hundred eighty thousand, five hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 101 202 303 505 606 1010 1515 3030 44053 88106 132159 220265 264318 440530 660795 1321590 4449353 8898706 13348059 22246765 26696118 44493530 66740295 133480590