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149047371 = 34114092
BaseRepresentation
bin10001110001001…
…00100001001011
3101101110101120000
420320210201023
5301124003441
622442334043
73456611304
oct1070444113
9341411500
10149047371
1177151550
1241aba323
1324b57415
1415b1b7ab
15d1422b6
hex8e2484b

149047371 has 30 divisors (see below), whose sum is σ = 243487332. Its totient is φ = 90110880.

The previous prime is 149047319. The next prime is 149047397. The reversal of 149047371 is 173740941.

It is not a de Polignac number, because 149047371 - 213 = 149039179 is a prime.

It is a super-3 number, since 3×1490473713 (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (149047271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 364215 + ... + 364623.

Almost surely, 2149047371 is an apocalyptic number.

149047371 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

149047371 is a deficient number, since it is larger than the sum of its proper divisors (94439961).

149047371 is an frugal number, since it uses more digits than its factorization.

149047371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 149047371 is about 12208.4958532982. The cubic root of 149047371 is about 530.2020957065.

The spelling of 149047371 in words is "one hundred forty-nine million, forty-seven thousand, three hundred seventy-one".

Divisors: 1 3 9 11 27 33 81 99 297 409 891 1227 3681 4499 11043 13497 33129 40491 121473 167281 364419 501843 1505529 1840091 4516587 5520273 13549761 16560819 49682457 149047371