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53077880 = 2351326947
BaseRepresentation
bin1100101001111…
…0011101111000
310200212122011102
43022132131320
5102041443010
65133350532
71213104002
oct312363570
9120778142
1053077880
1127a63219
1215938448
13acc533b
147099372
1549d6ba5
hex329e778

53077880 has 16 divisors (see below), whose sum is σ = 119425320. Its totient is φ = 21231136.

The previous prime is 53077873. The next prime is 53077889. The reversal of 53077880 is 8877035.

It is a super-2 number, since 2×530778802 = 5634522690588800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53077889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663434 + ... + 663513.

Almost surely, 253077880 is an apocalyptic number.

It is an amenable number.

53077880 is an abundant number, since it is smaller than the sum of its proper divisors (66347440).

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

53077880 is a wasteful number, since it uses less digits than its factorization.

53077880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326958 (or 1326954 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 53077880 is about 7285.4567461485. The cubic root of 53077880 is about 375.8124725053.

The spelling of 53077880 in words is "fifty-three million, seventy-seven thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 1326947 2653894 5307788 6634735 10615576 13269470 26538940 53077880