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1660455244 = 22759301973
BaseRepresentation
bin110001011111000…
…1000100101001100
311021201102212101101
41202332020211030
511400034031434
6432433152444
756101431250
oct14276104514
94251385341
101660455244
11782313668
123a40bb724
13206011cc6
1411a750260
159ab91b14
hex62f8894c

1660455244 has 12 divisors (see below), whose sum is σ = 3320910544. Its totient is φ = 711623664.

The previous prime is 1660455241. The next prime is 1660455283. The reversal of 1660455244 is 4425540661.

1660455244 is an admirable number.

It is a super-2 number, since 2×16604552442 = 5514223234654199072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1660455241) 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, 29650959 + ... + 29651014.

Almost surely, 21660455244 is an apocalyptic number.

1660455244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1660455244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1660455244 is a wasteful number, since it uses less digits than its factorization.

1660455244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59301984 (or 59301982 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 1660455244 is about 40748.6839542089. The cubic root of 1660455244 is about 1184.1563767692.

The spelling of 1660455244 in words is "one billion, six hundred sixty million, four hundred fifty-five thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 59301973 118603946 237207892 415113811 830227622 1660455244