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5118972 = 22317231091
BaseRepresentation
bin10011100001101111111100
3100122001220120
4103201233330
52302301342
6301414540
761340055
oct23415774
910561816
105118972
112986a61
12186a450
1310a2ca1
1497372c
156b1aec
hex4e1bfc

5118972 has 48 divisors (see below), whose sum is σ = 13208832. Its totient is φ = 1534720.

The previous prime is 5118959. The next prime is 5119007. The reversal of 5118972 is 2798115.

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, 4147 + ... + 5237.

It is an arithmetic number, because the mean of its divisors is an integer number (275184).

Almost surely, 25118972 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 5118972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6604416).

5118972 is an abundant number, since it is smaller than the sum of its proper divisors (8089860).

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

5118972 is a wasteful number, since it uses less digits than its factorization.

5118972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138 (or 1136 counting only the distinct ones).

The product of its digits is 5040, while the sum is 33.

The square root of 5118972 is about 2262.5145303401. The cubic root of 5118972 is about 172.3432392280.

The spelling of 5118972 in words is "five million, one hundred eighteen thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 17 23 34 46 51 68 69 92 102 138 204 276 391 782 1091 1173 1564 2182 2346 3273 4364 4692 6546 13092 18547 25093 37094 50186 55641 74188 75279 100372 111282 150558 222564 301116 426581 853162 1279743 1706324 2559486 5118972