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149697365 = 529939473
BaseRepresentation
bin10001110110000…
…11001101010101
3101102200102011212
420323003031111
5301310303430
622504311205
73465256316
oct1073031525
9342612155
10149697365
1177555934
1242172505
132502422c
1415c4a60d
15d21eb95
hex8ec3355

149697365 has 4 divisors (see below), whose sum is σ = 179636844. Its totient is φ = 119757888.

The previous prime is 149697349. The next prime is 149697403. The reversal of 149697365 is 563796941.

149697365 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 an emirpimes, since its reverse is a distinct semiprime: 563796941 = 1095172449.

It can be written as a sum of positive squares in 2 ways, for example, as 51251281 + 98446084 = 7159^2 + 9922^2 .

It is a cyclic number.

It is not a de Polignac number, because 149697365 - 24 = 149697349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14969732 + ... + 14969741.

It is an arithmetic number, because the mean of its divisors is an integer number (44909211).

Almost surely, 2149697365 is an apocalyptic number.

It is an amenable number.

149697365 is a deficient number, since it is larger than the sum of its proper divisors (29939479).

149697365 is an equidigital number, since it uses as much as digits as its factorization.

149697365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29939478.

The product of its digits is 1224720, while the sum is 50.

The square root of 149697365 is about 12235.0874537128. The cubic root of 149697365 is about 530.9717132575.

The spelling of 149697365 in words is "one hundred forty-nine million, six hundred ninety-seven thousand, three hundred sixty-five".

Divisors: 1 5 29939473 149697365