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149362493 = 7171255147
BaseRepresentation
bin10001110011100…
…01011100111101
3101102001101211012
420321301130331
5301214044433
622453205005
73462363110
oct1071613475
9342041735
10149362493
1177347285
1242030765
1324c37997
1415ba0577
15d1a5848
hex8e7173d

149362493 has 8 divisors (see below), whose sum is σ = 180741312. Its totient is φ = 120494016.

The previous prime is 149362481. The next prime is 149362513. The reversal of 149362493 is 394263941.

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 149362493 - 26 = 149362429 is a prime.

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 149362493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149362393) 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, 627455 + ... + 627692.

It is an arithmetic number, because the mean of its divisors is an integer number (22592664).

Almost surely, 2149362493 is an apocalyptic number.

It is an amenable number.

149362493 is a deficient number, since it is larger than the sum of its proper divisors (31378819).

149362493 is a wasteful number, since it uses less digits than its factorization.

149362493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255171.

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

The square root of 149362493 is about 12221.3948876550. The cubic root of 149362493 is about 530.5754909429.

The spelling of 149362493 in words is "one hundred forty-nine million, three hundred sixty-two thousand, four hundred ninety-three".

Divisors: 1 7 17 119 1255147 8786029 21337499 149362493