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63149489 = 1334713999
BaseRepresentation
bin1111000011100…
…1010110110001
311101211022210222
43300321112301
5112131240424
610133302425
71364522204
oct360712661
9141738728
1063149489
1132712167
1219194a15
1310110680
14855b93b
155825e5e
hex3c395b1

63149489 has 8 divisors (see below), whose sum is σ = 68208000. Its totient is φ = 58119696.

The previous prime is 63149473. The next prime is 63149503. The reversal of 63149489 is 98494136.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63149489 - 24 = 63149473 is a prime.

It is a super-2 number, since 2×631494892 = 7975715921922242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63149189) 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, 2489 + ... + 11510.

It is an arithmetic number, because the mean of its divisors is an integer number (8526000).

Almost surely, 263149489 is an apocalyptic number.

It is an amenable number.

63149489 is a deficient number, since it is larger than the sum of its proper divisors (5058511).

63149489 is a wasteful number, since it uses less digits than its factorization.

63149489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14359.

The product of its digits is 186624, while the sum is 44.

The square root of 63149489 is about 7946.6652754473. The cubic root of 63149489 is about 398.2201945605.

The spelling of 63149489 in words is "sixty-three million, one hundred forty-nine thousand, four hundred eighty-nine".

Divisors: 1 13 347 4511 13999 181987 4857653 63149489