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475855772 = 227179531049
BaseRepresentation
bin11100010111001…
…111101110011100
31020011101222101212
4130113033232130
51433304341042
6115115123552
714535464420
oct3427175634
91204358355
10475855772
11224676537
121134435b8
1377780582
14472acb80
152bb99482
hex1c5cfb9c

475855772 has 48 divisors (see below), whose sum is σ = 1009713600. Its totient is φ = 191557632.

The previous prime is 475855771. The next prime is 475855781. The reversal of 475855772 is 277558574.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 475855772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475855771) 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, 453104 + ... + 454152.

It is an arithmetic number, because the mean of its divisors is an integer number (21035700).

Almost surely, 2475855772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 475855772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (504856800).

475855772 is an abundant number, since it is smaller than the sum of its proper divisors (533857828).

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

475855772 is a wasteful number, since it uses less digits than its factorization.

475855772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030 (or 2028 counting only the distinct ones).

The product of its digits is 2744000, while the sum is 50.

The square root of 475855772 is about 21814.1186390833. The cubic root of 475855772 is about 780.7136641660.

The spelling of 475855772 in words is "four hundred seventy-five million, eight hundred fifty-five thousand, seven hundred seventy-two".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 953 1049 1906 2098 3812 4196 6671 7343 13342 14686 16201 17833 26684 29372 32402 35666 64804 71332 113407 124831 226814 249662 453628 499324 999697 1999394 3998788 6997879 13995758 16994849 27991516 33989698 67979396 118963943 237927886 475855772