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149294361 = 349764787
BaseRepresentation
bin10001110011000…
…00110100011001
3101101220221100210
420321200310121
5301204404421
622451521333
73461660346
oct1071406431
9341827323
10149294361
1177300077
1241bb9249
1324c12978
1415b837cd
15d190576
hex8e60d19

149294361 has 4 divisors (see below), whose sum is σ = 199059152. Its totient is φ = 99529572.

The previous prime is 149294339. The next prime is 149294363. The reversal of 149294361 is 163492941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 163492941 = 354497647.

It is a de Polignac number, because none of the positive numbers 2k-149294361 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149294363) 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, 24882391 + ... + 24882396.

It is an arithmetic number, because the mean of its divisors is an integer number (49764788).

Almost surely, 2149294361 is an apocalyptic number.

It is an amenable number.

149294361 is a deficient number, since it is larger than the sum of its proper divisors (49764791).

149294361 is an equidigital number, since it uses as much as digits as its factorization.

149294361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49764790.

The product of its digits is 46656, while the sum is 39.

The square root of 149294361 is about 12218.6071628480. The cubic root of 149294361 is about 530.4948043160.

The spelling of 149294361 in words is "one hundred forty-nine million, two hundred ninety-four thousand, three hundred sixty-one".

Divisors: 1 3 49764787 149294361