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149091379 = 4713812297
BaseRepresentation
bin10001110001011…
…11010000110011
3101101112121220221
420320233100303
5301131411004
622443313511
73460153513
oct1070572063
9341477827
10149091379
1177181618
1241b1b897
1324b71468
1415b2d843
15d150354
hex8e2f433

149091379 has 8 divisors (see below), whose sum is σ = 152440128. Its totient is φ = 145750080.

The previous prime is 149091361. The next prime is 149091391. The reversal of 149091379 is 973190941.

It is a happy number.

149091379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 149091379 - 221 = 146994227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149098379) 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, 63759 + ... + 66055.

It is an arithmetic number, because the mean of its divisors is an integer number (19055016).

Almost surely, 2149091379 is an apocalyptic number.

149091379 is a deficient number, since it is larger than the sum of its proper divisors (3348749).

149091379 is a wasteful number, since it uses less digits than its factorization.

149091379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3725.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 149091379 is about 12210.2980717098. The cubic root of 149091379 is about 530.2542733858.

The spelling of 149091379 in words is "one hundred forty-nine million, ninety-one thousand, three hundred seventy-nine".

Divisors: 1 47 1381 2297 64907 107959 3172157 149091379