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523625472 = 2103459107
BaseRepresentation
bin11111001101011…
…110010000000000
31100111021221010000
4133031132100000
52033022003342
6123543040000
715655512606
oct3715362000
91314257100
10523625472
11249633627
12127440000
1384637776
144d785876
1530e8344c
hex1f35e400

523625472 has 220 divisors, whose sum is σ = 1605011760. Its totient is φ = 169979904.

The previous prime is 523625461. The next prime is 523625489. The reversal of 523625472 is 274526325.

523625472 is a `hidden beast` number, since 5 + 23 + 625 + 4 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 19 ways as a sum of consecutive naturals, for example, 4893643 + ... + 4893749.

It is an arithmetic number, because the mean of its divisors is an integer number (7295508).

Almost surely, 2523625472 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 523625472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (802505880).

523625472 is an abundant number, since it is smaller than the sum of its proper divisors (1081386288).

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

523625472 is a wasteful number, since it uses less digits than its factorization.

523625472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 171 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 523625472 is about 22882.8641563944. The cubic root of 523625472 is about 806.0096750455.

The spelling of 523625472 in words is "five hundred twenty-three million, six hundred twenty-five thousand, four hundred seventy-two".