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1612400896 = 288970769
BaseRepresentation
bin110000000011011…
…0100100100000000
311011101000110012201
41200012310210000
511300233312041
6423555202544
754646116151
oct14006644400
94141013181
101612400896
11758181727
1238bba6454
131c9088392
14114201928
159684d631
hex601b4900

1612400896 has 36 divisors (see below), whose sum is σ = 3254712300. Its totient is φ = 797130752.

The previous prime is 1612400863. The next prime is 1612400897. The reversal of 1612400896 is 6980042161.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 928055296 + 684345600 = 30464^2 + 26160^2 .

It is not an unprimeable number, because it can be changed into a prime (1612400897) 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, 12601 + ... + 58168.

It is an arithmetic number, because the mean of its divisors is an integer number (90408675).

Almost surely, 21612400896 is an apocalyptic number.

1612400896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1612400896 is an abundant number, since it is smaller than the sum of its proper divisors (1642311404).

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

1612400896 is an frugal number, since it uses more digits than its factorization.

1612400896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70874 (or 70860 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 1612400896 is about 40154.7120024537. The cubic root of 1612400896 is about 1172.6210254186.

The spelling of 1612400896 in words is "one billion, six hundred twelve million, four hundred thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 16 32 64 89 128 178 256 356 712 1424 2848 5696 11392 22784 70769 141538 283076 566152 1132304 2264608 4529216 6298441 9058432 12596882 18116864 25193764 50387528 100775056 201550112 403100224 806200448 1612400896