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149704369 = 503297623
BaseRepresentation
bin10001110110001…
…00111010110001
3101102200202210021
420323010322301
5301311014434
622504403441
73465315613
oct1073047261
9342622707
10149704369
1177560121
1242176581
1325027489
1415c4cdb3
15d221cb4
hex8ec4eb1

149704369 has 4 divisors (see below), whose sum is σ = 150002496. Its totient is φ = 149406244.

The previous prime is 149704343. The next prime is 149704393. The reversal of 149704369 is 963407941.

149704369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 149704369 - 25 = 149704337 is a prime.

It is a super-2 number, since 2×1497043692 = 44822796195376322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149704069) 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, 148309 + ... + 149314.

It is an arithmetic number, because the mean of its divisors is an integer number (37500624).

Almost surely, 2149704369 is an apocalyptic number.

It is an amenable number.

149704369 is a deficient number, since it is larger than the sum of its proper divisors (298127).

149704369 is an equidigital number, since it uses as much as digits as its factorization.

149704369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298126.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 149704369 is about 12235.3736763533. The cubic root of 149704369 is about 530.9799941155.

The spelling of 149704369 in words is "one hundred forty-nine million, seven hundred four thousand, three hundred sixty-nine".

Divisors: 1 503 297623 149704369