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140890496 = 277913933
BaseRepresentation
bin10000110010111…
…01000110000000
3100211002222102112
420121131012000
5242031443441
621551434452
73330356315
oct1031350600
9324088375
10140890496
117259012a
123b225a28
132325c776
14149d6d0c
15c5804eb
hex865d180

140890496 has 32 divisors (see below), whose sum is σ = 284253600. Its totient is φ = 69548544.

The previous prime is 140890493. The next prime is 140890513. The reversal of 140890496 is 694098041.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140890493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3146 + ... + 17078.

It is an arithmetic number, because the mean of its divisors is an integer number (8882925).

Almost surely, 2140890496 is an apocalyptic number.

140890496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140890496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142126800).

140890496 is an abundant number, since it is smaller than the sum of its proper divisors (143363104).

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

140890496 is an equidigital number, since it uses as much as digits as its factorization.

140890496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14026 (or 14014 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 140890496 is about 11869.7302412481. The cubic root of 140890496 is about 520.3480116161.

The spelling of 140890496 in words is "one hundred forty million, eight hundred ninety thousand, four hundred ninety-six".

Divisors: 1 2 4 8 16 32 64 79 128 158 316 632 1264 2528 5056 10112 13933 27866 55732 111464 222928 445856 891712 1100707 1783424 2201414 4402828 8805656 17611312 35222624 70445248 140890496