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133480008 = 2333617963
BaseRepresentation
bin1111111010010…
…11111001001000
3100022011111011000
413331023321020
5233132330013
621124535000
73210363354
oct775137110
9308144130
10133480008
1169389562
1238851460
132186676c
1413a28464
15bab9973
hex7f4be48

133480008 has 32 divisors (see below), whose sum is σ = 370778400. Its totient is φ = 44493264.

The previous prime is 133480001. The next prime is 133480027. The reversal of 133480008 is 800084331.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (133480001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308766 + ... + 309197.

It is an arithmetic number, because the mean of its divisors is an integer number (11586825).

Almost surely, 2133480008 is an apocalyptic number.

133480008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

133480008 is an abundant number, since it is smaller than the sum of its proper divisors (237298392).

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

133480008 is a wasteful number, since it uses less digits than its factorization.

133480008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617978 (or 617968 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 133480008 is about 11553.3548374487. The cubic root of 133480008 is about 511.0602165804.

The spelling of 133480008 in words is "one hundred thirty-three million, four hundred eighty thousand, eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 617963 1235926 1853889 2471852 3707778 4943704 5561667 7415556 11123334 14831112 16685001 22246668 33370002 44493336 66740004 133480008