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52623216 = 2433181673
BaseRepresentation
bin1100100010111…
…1011101110000
310200000112111000
43020233131300
5101432420331
65115522000
71206201312
oct310573560
9120015430
1052623216
1127782668
1215759300
13ab963c9
146dbb7b2
1549470e6
hex322f770

52623216 has 80 divisors (see below), whose sum is σ = 152108320. Its totient is φ = 17418240.

The previous prime is 52623209. The next prime is 52623227. The reversal of 52623216 is 61232625.

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

It is a self number, because there is not a number n which added to its sum of digits gives 52623216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77856 + ... + 78528.

It is an arithmetic number, because the mean of its divisors is an integer number (1901354).

Almost surely, 252623216 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 52623216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76054160).

52623216 is an abundant number, since it is smaller than the sum of its proper divisors (99485104).

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

52623216 is a wasteful number, since it uses less digits than its factorization.

52623216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 859 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 52623216 is about 7254.1861018311. The cubic root of 52623216 is about 374.7363266471.

The spelling of 52623216 in words is "fifty-two million, six hundred twenty-three thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 181 216 362 432 543 673 724 1086 1346 1448 1629 2019 2172 2692 2896 3258 4038 4344 4887 5384 6057 6516 8076 8688 9774 10768 12114 13032 16152 18171 19548 24228 26064 32304 36342 39096 48456 72684 78192 96912 121813 145368 243626 290736 365439 487252 730878 974504 1096317 1461756 1949008 2192634 2923512 3288951 4385268 5847024 6577902 8770536 13155804 17541072 26311608 52623216