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8992992 = 253113829
BaseRepresentation
bin100010010011…
…100011100000
3121220220001210
4202103203200
54300233432
6520430120
7136303431
oct42234340
917826053
108992992
115092628
123018340
131b2b3c8
1412a1488
15bc98cc
hex8938e0

8992992 has 48 divisors (see below), whose sum is σ = 23844240. Its totient is φ = 2967552.

The previous prime is 8992979. The next prime is 8992993. The reversal of 8992992 is 2992998.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×89929922 = 161747810224128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8992993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10434 + ... + 11262.

It is an arithmetic number, because the mean of its divisors is an integer number (496755).

Almost surely, 28992992 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 8992992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11922120).

8992992 is an abundant number, since it is smaller than the sum of its proper divisors (14851248).

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

8992992 is a wasteful number, since it uses less digits than its factorization.

8992992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955 (or 947 counting only the distinct ones).

The product of its digits is 209952, while the sum is 48.

The square root of 8992992 is about 2998.8317725408. The cubic root of 8992992 is about 207.9543785546.

The spelling of 8992992 in words is "eight million, nine hundred ninety-two thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 113 226 339 452 678 829 904 1356 1658 1808 2487 2712 3316 3616 4974 5424 6632 9948 10848 13264 19896 26528 39792 79584 93677 187354 281031 374708 562062 749416 1124124 1498832 2248248 2997664 4496496 8992992