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149386063 = 281531623
BaseRepresentation
bin10001110011101…
…11001101001111
3101102002121011011
420321313031033
5301220323223
622453510051
73462521611
oct1071671517
9342077134
10149386063
1177362a62
1242042327
1324c45628
1415ba8db1
15d1ac80d
hex8e7734f

149386063 has 4 divisors (see below), whose sum is σ = 149917968. Its totient is φ = 148854160.

The previous prime is 149386049. The next prime is 149386067. The reversal of 149386063 is 360683941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 149386063 - 25 = 149386031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149386067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265531 + ... + 266092.

It is an arithmetic number, because the mean of its divisors is an integer number (37479492).

Almost surely, 2149386063 is an apocalyptic number.

149386063 is a deficient number, since it is larger than the sum of its proper divisors (531905).

149386063 is an equidigital number, since it uses as much as digits as its factorization.

149386063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531904.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 149386063 is about 12222.3591421624. The cubic root of 149386063 is about 530.6033984546.

The spelling of 149386063 in words is "one hundred forty-nine million, three hundred eighty-six thousand, sixty-three".

Divisors: 1 281 531623 149386063