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471477138 = 231123310591
BaseRepresentation
bin11100000110100…
…010101110010010
31012212011112001020
4130012202232102
51431144232023
6114441220310
714453326626
oct3406425622
91185145036
10471477138
11222155830
12111a91696
13768a9572
144688d186
152b5d1de3
hex1c1a2b92

471477138 has 32 divisors (see below), whose sum is σ = 1073405952. Its totient is φ = 136659600.

The previous prime is 471477121. The next prime is 471477173. The reversal of 471477138 is 831774174.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 471477138.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153778 + ... + 156813.

It is an arithmetic number, because the mean of its divisors is an integer number (33543936).

Almost surely, 2471477138 is an apocalyptic number.

471477138 is an abundant number, since it is smaller than the sum of its proper divisors (601928814).

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

471477138 is a wasteful number, since it uses less digits than its factorization.

471477138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310630.

The product of its digits is 131712, while the sum is 42.

The square root of 471477138 is about 21713.5243108990. The cubic root of 471477138 is about 778.3116769643.

It can be divided in two parts, 47147 and 7138, that added together give a triangular number (54285 = T329).

The spelling of 471477138 in words is "four hundred seventy-one million, four hundred seventy-seven thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 11 22 23 33 46 66 69 138 253 506 759 1518 310591 621182 931773 1863546 3416501 6833002 7143593 10249503 14287186 20499006 21430779 42861558 78579523 157159046 235738569 471477138