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8912982 = 2313114269
BaseRepresentation
bin100010000000…
…000001010110
3121202211022110
4202000001112
54240203412
6515011450
7135521241
oct42000126
917684273
108912982
115038501
122b99b86
131b00b70
141280258
15bb0d3c
hex880056

8912982 has 16 divisors (see below), whose sum is σ = 19197360. Its totient is φ = 2742432.

The previous prime is 8912977. The next prime is 8912989. The reversal of 8912982 is 2892198.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8912982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8912989) 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, 57057 + ... + 57212.

It is an arithmetic number, because the mean of its divisors is an integer number (1199835).

Almost surely, 28912982 is an apocalyptic number.

8912982 is an abundant number, since it is smaller than the sum of its proper divisors (10284378).

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

8912982 is a wasteful number, since it uses less digits than its factorization.

8912982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114287.

The product of its digits is 20736, while the sum is 39.

The square root of 8912982 is about 2985.4617733275. The cubic root of 8912982 is about 207.3358221344.

The spelling of 8912982 in words is "eight million, nine hundred twelve thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 13 26 39 78 114269 228538 342807 685614 1485497 2970994 4456491 8912982