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133479357 = 3119974057
BaseRepresentation
bin1111111010010…
…11101110111101
3100022011110020220
413331023232331
5233132314412
621124531553
73210361434
oct775135675
9308143226
10133479357
1169389020
1238850bb9
132186638b
1413a2811b
15bab968c
hex7f4bbbd

133479357 has 16 divisors (see below), whose sum is σ = 194394432. Its totient is φ = 80795520.

The previous prime is 133479331. The next prime is 133479371. The reversal of 133479357 is 753974331.

It is not a de Polignac number, because 133479357 - 26 = 133479293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133479317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30873 + ... + 34929.

It is an arithmetic number, because the mean of its divisors is an integer number (12149652).

Almost surely, 2133479357 is an apocalyptic number.

It is an amenable number.

133479357 is a deficient number, since it is larger than the sum of its proper divisors (60915075).

133479357 is a wasteful number, since it uses less digits than its factorization.

133479357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5068.

The product of its digits is 238140, while the sum is 42.

The square root of 133479357 is about 11553.3266637796. The cubic root of 133479357 is about 511.0593857425.

The spelling of 133479357 in words is "one hundred thirty-three million, four hundred seventy-nine thousand, three hundred fifty-seven".

Divisors: 1 3 11 33 997 2991 4057 10967 12171 32901 44627 133881 4044829 12134487 44493119 133479357