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52867620 = 223351317443
BaseRepresentation
bin1100100110101…
…1001000100100
310200110221202000
43021223020210
5102013230440
65125045300
71211240001
oct311531044
9120427660
1052867620
112792a253
1215856830
13ac50720
1470428a8
154994730
hex326b224

52867620 has 192 divisors, whose sum is σ = 187971840. Its totient is φ = 12220416.

The previous prime is 52867601. The next prime is 52867631. The reversal of 52867620 is 2676825.

52867620 is a `hidden beast` number, since 5 + 28 + 6 + 7 + 620 = 666.

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

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 63 ways as a sum of consecutive naturals, for example, 119119 + ... + 119561.

It is an arithmetic number, because the mean of its divisors is an integer number (979020).

Almost surely, 252867620 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 52867620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93985920).

52867620 is an abundant number, since it is smaller than the sum of its proper divisors (135104220).

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

52867620 is a wasteful number, since it uses less digits than its factorization.

52867620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 52867620 is about 7271.0123091630. The cubic root of 52867620 is about 375.3155743597.

The spelling of 52867620 in words is "fifty-two million, eight hundred sixty-seven thousand, six hundred twenty".