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52993080 = 233257171237
BaseRepresentation
bin1100101000100…
…1110000111000
310200201022211200
43022021300320
5102031234310
65131454200
71212301530
oct312116070
9120638750
1052993080
1127a05538
12158b7360
13ac9586a
1470764c0
1549bb9c0
hex3289c38

52993080 has 192 divisors, whose sum is σ = 208578240. Its totient is φ = 11390976.

The previous prime is 52993049. The next prime is 52993099. The reversal of 52993080 is 8039925.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42222 + ... + 43458.

It is an arithmetic number, because the mean of its divisors is an integer number (1086345).

Almost surely, 252993080 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 52993080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104289120).

52993080 is an abundant number, since it is smaller than the sum of its proper divisors (155585160).

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

52993080 is a wasteful number, since it uses less digits than its factorization.

52993080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278 (or 1271 counting only the distinct ones).

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

The square root of 52993080 is about 7279.6346062148. The cubic root of 52993080 is about 375.6122265990.

The spelling of 52993080 in words is "fifty-two million, nine hundred ninety-three thousand, eighty".