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149401371 = 377114351
BaseRepresentation
bin10001110011110…
…10111100011011
3101102010101011010
420321322330123
5301221320441
622454105003
73462614340
oct1071727433
9342111133
10149401371
1177373509
124204b163
1324c4c5a2
1415bb07c7
15d1b2116
hex8e7af1b

149401371 has 8 divisors (see below), whose sum is σ = 227659264. Its totient is φ = 85372200.

The previous prime is 149401367. The next prime is 149401381. The reversal of 149401371 is 173104941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 149401371 - 22 = 149401367 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149401331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3557155 + ... + 3557196.

It is an arithmetic number, because the mean of its divisors is an integer number (28457408).

Almost surely, 2149401371 is an apocalyptic number.

149401371 is a deficient number, since it is larger than the sum of its proper divisors (78257893).

149401371 is an equidigital number, since it uses as much as digits as its factorization.

149401371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7114361.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 149401371 is about 12222.9853554686. The cubic root of 149401371 is about 530.6215219645.

The spelling of 149401371 in words is "one hundred forty-nine million, four hundred one thousand, three hundred seventy-one".

Divisors: 1 3 7 21 7114351 21343053 49800457 149401371