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56816448 = 26313217103
BaseRepresentation
bin1101100010111…
…1001101000000
310221220120111220
43120233031000
5104021111243
65345435040
71256634423
oct330571500
9127816456
1056816448
112a087047
121703ba80
13ba03c00
14778d9ba
154ec4783
hex362f340

56816448 has 168 divisors, whose sum is σ = 174028608. Its totient is φ = 16293888.

The previous prime is 56816429. The next prime is 56816449. The reversal of 56816448 is 84461865.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56816449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 551565 + ... + 551667.

Almost surely, 256816448 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 56816448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87014304).

56816448 is an abundant number, since it is smaller than the sum of its proper divisors (117212160).

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

56816448 is a wasteful number, since it uses less digits than its factorization.

56816448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 138 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 56816448 is about 7537.6686050794. The cubic root of 56816448 is about 384.4365694485.

The spelling of 56816448 in words is "fifty-six million, eight hundred sixteen thousand, four hundred forty-eight".