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814472472 = 233113085123
BaseRepresentation
bin110000100010111…
…101110100011000
32002202120111012010
4300202331310120
53132001104342
6212452545520
726116621212
oct6042756430
92082514163
10814472472
11388826250
121a89222a0
13cc97c398
147a2555b2
154b78529c
hex308bdd18

814472472 has 32 divisors (see below), whose sum is σ = 2221289280. Its totient is φ = 246809760.

The previous prime is 814472471. The next prime is 814472507. The reversal of 814472472 is 274274418.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 814472472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814472471) 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, 1542298 + ... + 1542825.

It is an arithmetic number, because the mean of its divisors is an integer number (69415290).

Almost surely, 2814472472 is an apocalyptic number.

It is an amenable number.

814472472 is an abundant number, since it is smaller than the sum of its proper divisors (1406816808).

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

814472472 is a wasteful number, since it uses less digits than its factorization.

814472472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3085143 (or 3085139 counting only the distinct ones).

The product of its digits is 100352, while the sum is 39.

The square root of 814472472 is about 28538.9641017329. The cubic root of 814472472 is about 933.8822839812.

The spelling of 814472472 in words is "eight hundred fourteen million, four hundred seventy-two thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 3085123 6170246 9255369 12340492 18510738 24680984 33936353 37021476 67872706 74042952 101809059 135745412 203618118 271490824 407236236 814472472