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523696368 = 243134192003
BaseRepresentation
bin11111001101101…
…111100011110000
31100111102112100210
4133031233203300
52033031240433
6123544344120
715656226366
oct3715574360
91314375323
10523696368
11249681918
12127475040
1384660b10
144d7a3636
1530e99463
hex1f36f8f0

523696368 has 80 divisors (see below), whose sum is σ = 1461156480. Its totient is φ = 160672512.

The previous prime is 523696367. The next prime is 523696391. The reversal of 523696368 is 863696325.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523696367) 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, 260455 + ... + 262457.

It is an arithmetic number, because the mean of its divisors is an integer number (18264456).

Almost surely, 2523696368 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 523696368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (730578240).

523696368 is an abundant number, since it is smaller than the sum of its proper divisors (937460112).

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

523696368 is a wasteful number, since it uses less digits than its factorization.

523696368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446 (or 2440 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 48.

The square root of 523696368 is about 22884.4132107424. The cubic root of 523696368 is about 806.0460498250.

The spelling of 523696368 in words is "five hundred twenty-three million, six hundred ninety-six thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 312 419 624 838 1257 1676 2003 2514 3352 4006 5028 5447 6009 6704 8012 10056 10894 12018 16024 16341 20112 21788 24036 26039 32048 32682 43576 48072 52078 65364 78117 87152 96144 104156 130728 156234 208312 261456 312468 416624 624936 839257 1249872 1678514 2517771 3357028 5035542 6714056 10071084 10910341 13428112 20142168 21820682 32731023 40284336 43641364 65462046 87282728 130924092 174565456 261848184 523696368