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149383429 = 1311491033
BaseRepresentation
bin10001110011101…
…10100100000101
3101102002110112121
420321312210011
5301220232204
622453445541
73462511126
oct1071664405
9342073477
10149383429
1177360a88
12420408b1
1324c44380
1415ba804d
15d1abb54
hex8e76905

149383429 has 4 divisors (see below), whose sum is σ = 160874476. Its totient is φ = 137892384.

The previous prime is 149383427. The next prime is 149383433. The reversal of 149383429 is 924383941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 924383941 = 1371106457.

It can be written as a sum of positive squares in 2 ways, for example, as 34786404 + 114597025 = 5898^2 + 10705^2 .

It is a cyclic number.

It is not a de Polignac number, because 149383429 - 21 = 149383427 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 (149383427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5745504 + ... + 5745529.

It is an arithmetic number, because the mean of its divisors is an integer number (40218619).

Almost surely, 2149383429 is an apocalyptic number.

It is an amenable number.

149383429 is a deficient number, since it is larger than the sum of its proper divisors (11491047).

149383429 is a wasteful number, since it uses less digits than its factorization.

149383429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11491046.

The product of its digits is 186624, while the sum is 43.

The square root of 149383429 is about 12222.2513883490. The cubic root of 149383429 is about 530.6002798737.

The spelling of 149383429 in words is "one hundred forty-nine million, three hundred eighty-three thousand, four hundred twenty-nine".

Divisors: 1 13 11491033 149383429