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990012462 = 231217135581
BaseRepresentation
bin111011000000100…
…110010000101110
32112222212211210020
4323000212100232
54011420344322
6242123223010
733350652465
oct7300462056
92488784706
10990012462
1146892201a
12237677a66
1312a1511ba
14956ab9dc
155bdac05c
hex3b02642e

990012462 has 16 divisors (see below), whose sum is σ = 1981666512. Its totient is φ = 329730560.

The previous prime is 990012433. The next prime is 990012467. The reversal of 990012462 is 264210099.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990012467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60489 + ... + 75092.

It is an arithmetic number, because the mean of its divisors is an integer number (123854157).

Almost surely, 2990012462 is an apocalyptic number.

990012462 is an abundant number, since it is smaller than the sum of its proper divisors (991654050).

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

990012462 is a wasteful number, since it uses less digits than its factorization.

990012462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136803.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 990012462 is about 31464.4634786611. The cubic root of 990012462 is about 996.6596753212.

The spelling of 990012462 in words is "nine hundred ninety million, twelve thousand, four hundred sixty-two".

Divisors: 1 2 3 6 1217 2434 3651 7302 135581 271162 406743 813486 165002077 330004154 495006231 990012462