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989650956 = 223711781559
BaseRepresentation
bin111010111111001…
…110000000001100
32112222012110220010
4322333032000030
54011322312311
6242111353220
733344615520
oct7277160014
92488173803
10989650956
114686a5458
12237522810
1312a0557a8
1495615d80
155bd39da6
hex3afce00c

989650956 has 24 divisors (see below), whose sum is σ = 2639069440. Its totient is φ = 282757392.

The previous prime is 989650943. The next prime is 989650993. The reversal of 989650956 is 659056989.

989650956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 989650896 and 989650905.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5890696 + ... + 5890863.

Almost surely, 2989650956 is an apocalyptic number.

It is an amenable number.

989650956 is an abundant number, since it is smaller than the sum of its proper divisors (1649418484).

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

989650956 is a wasteful number, since it uses less digits than its factorization.

989650956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11781573 (or 11781571 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 57.

The square root of 989650956 is about 31458.7182828544. The cubic root of 989650956 is about 996.5383494693.

The spelling of 989650956 in words is "nine hundred eighty-nine million, six hundred fifty thousand, nine hundred fifty-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 11781559 23563118 35344677 47126236 70689354 82470913 141378708 164941826 247412739 329883652 494825478 989650956