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51375060 = 2235511312
BaseRepresentation
bin1100001111111…
…0101111010100
310120200010100000
43003332233110
5101123000220
65033051300
71162452342
oct303765724
9116603300
1051375060
1126aaa930
1215256b30
13a84a259
146b74992
15479c390
hex30febd4

51375060 has 216 divisors, whose sum is σ = 182171808. Its totient is φ = 12052800.

The previous prime is 51375053. The next prime is 51375083. The reversal of 51375060 is 6057315.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1657245 + ... + 1657275.

It is an arithmetic number, because the mean of its divisors is an integer number (843388).

Almost surely, 251375060 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 51375060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91085904).

51375060 is an abundant number, since it is smaller than the sum of its proper divisors (130796748).

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

51375060 is a wasteful number, since it uses less digits than its factorization.

51375060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 51375060 is about 7167.6397788951. The cubic root of 51375060 is about 371.7498318008.

The spelling of 51375060 in words is "fifty-one million, three hundred seventy-five thousand, sixty".