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53992080 = 24325314159
BaseRepresentation
bin1100110111110…
…1101010010000
310202121002012200
43031331222100
5102310221310
65205123200
71223632212
oct315755220
9122532180
1053992080
112852805a
12160b9500
13b25549c
1472565b2
154b179c0
hex337da90

53992080 has 240 divisors, whose sum is σ = 194987520. Its totient is φ = 13363200.

The previous prime is 53992073. The next prime is 53992181. The reversal of 53992080 is 8029935.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 915091 + ... + 915149.

It is an arithmetic number, because the mean of its divisors is an integer number (812448).

Almost surely, 253992080 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 53992080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97493760).

53992080 is an abundant number, since it is smaller than the sum of its proper divisors (140995440).

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

53992080 is a wasteful number, since it uses less digits than its factorization.

53992080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 53992080 is about 7347.9303208455. The cubic root of 53992080 is about 377.9578352229.

The spelling of 53992080 in words is "fifty-three million, nine hundred ninety-two thousand, eighty".