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8789972 = 222197493
BaseRepresentation
bin100001100001…
…111111010100
3121112120120112
4201201333110
54222234342
6512222152
7134466512
oct41417724
917476515
108789972
114a64044
122b3a958
131a89b89
14124b4b2
15b89682
hex861fd4

8789972 has 6 divisors (see below), whose sum is σ = 15382458. Its totient is φ = 4394984.

The previous prime is 8789953. The next prime is 8789981. The reversal of 8789972 is 2799878.

It is a happy number.

8789972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8375236 + 414736 = 2894^2 + 644^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8789972.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1098743 + ... + 1098750.

It is an arithmetic number, because the mean of its divisors is an integer number (2563743).

Almost surely, 28789972 is an apocalyptic number.

It is an amenable number.

8789972 is a deficient number, since it is larger than the sum of its proper divisors (6592486).

8789972 is a wasteful number, since it uses less digits than its factorization.

8789972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197497 (or 2197495 counting only the distinct ones).

The product of its digits is 508032, while the sum is 50.

The square root of 8789972 is about 2964.7886939882. The cubic root of 8789972 is about 206.3775712764.

The spelling of 8789972 in words is "eight million, seven hundred eighty-nine thousand, nine hundred seventy-two".

Divisors: 1 2 4 2197493 4394986 8789972