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149432963 = 568926267
BaseRepresentation
bin10001110100000…
…10101010000011
3101102011222111012
420322002222003
5301223323323
622454511135
73463105421
oct1072025203
9342158435
10149432963
1177395219
12420654ab
1324c60a94
1415bbc111
15d1bb678
hex8e82a83

149432963 has 4 divisors (see below), whose sum is σ = 149464920. Its totient is φ = 149401008.

The previous prime is 149432957. The next prime is 149432993. The reversal of 149432963 is 369234941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 369234941 = 536966697.

It is a cyclic number.

It is not a de Polignac number, because 149432963 - 210 = 149431939 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149432963.

It is not an unprimeable number, because it can be changed into a prime (149432953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7445 + ... + 18822.

It is an arithmetic number, because the mean of its divisors is an integer number (37366230).

Almost surely, 2149432963 is an apocalyptic number.

149432963 is a deficient number, since it is larger than the sum of its proper divisors (31957).

149432963 is an equidigital number, since it uses as much as digits as its factorization.

149432963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31956.

The product of its digits is 139968, while the sum is 41.

The square root of 149432963 is about 12224.2776064682. The cubic root of 149432963 is about 530.6589205809.

The spelling of 149432963 in words is "one hundred forty-nine million, four hundred thirty-two thousand, nine hundred sixty-three".

Divisors: 1 5689 26267 149432963