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872407244 = 221991095989
BaseRepresentation
bin110011111111111…
…110000011001100
32020210120212202102
4303333332003030
53241314012434
6222322414232
730422224232
oct6377760314
92223525672
10872407244
114084a6525
12204201378
1310b985307
1483c16952
15518cb07e
hex33ffe0cc

872407244 has 12 divisors (see below), whose sum is σ = 1534386000. Its totient is φ = 434011248.

The previous prime is 872407243. The next prime is 872407247. The reversal of 872407244 is 442704278.

It is a super-2 number, since 2×8724072442 = 1522188798767351072, which contains 22 as substring.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 872407198 and 872407207.

It is not an unprimeable number, because it can be changed into a prime (872407243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547199 + ... + 548790.

It is an arithmetic number, because the mean of its divisors is an integer number (127865500).

Almost surely, 2872407244 is an apocalyptic number.

It is an amenable number.

872407244 is a deficient number, since it is larger than the sum of its proper divisors (661978756).

872407244 is a wasteful number, since it uses less digits than its factorization.

872407244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096192 (or 1096190 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 38.

The square root of 872407244 is about 29536.5408265762. The cubic root of 872407244 is about 955.5199398199.

The spelling of 872407244 in words is "eight hundred seventy-two million, four hundred seven thousand, two hundred forty-four".

Divisors: 1 2 4 199 398 796 1095989 2191978 4383956 218101811 436203622 872407244