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149900349 = 359983417
BaseRepresentation
bin10001110111101…
…00110000111101
3101110001201121210
420323310300331
5301333302344
622512515033
73500063154
oct1073646075
9343051553
10149900349
1177684395
124224ba79
1325095741
1415ca059b
15d25edb9
hex8ef4c3d

149900349 has 8 divisors (see below), whose sum is σ = 200203200. Its totient is φ = 99765536.

The previous prime is 149900347. The next prime is 149900353. The reversal of 149900349 is 943009941.

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 149900349 - 21 = 149900347 is a prime.

It is a super-2 number, since 2×1499003492 = 44940229260643602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149900347) 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, 39912 + ... + 43505.

It is an arithmetic number, because the mean of its divisors is an integer number (25025400).

Almost surely, 2149900349 is an apocalyptic number.

It is an amenable number.

149900349 is a deficient number, since it is larger than the sum of its proper divisors (50302851).

149900349 is an equidigital number, since it uses as much as digits as its factorization.

149900349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84019.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 149900349 is about 12243.3798029792. The cubic root of 149900349 is about 531.2115974271.

The spelling of 149900349 in words is "one hundred forty-nine million, nine hundred thousand, three hundred forty-nine".

Divisors: 1 3 599 1797 83417 250251 49966783 149900349