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149064291 = 32198391039
BaseRepresentation
bin10001110001010…
…00101001100011
3101101111020202200
420320220221203
5301130024131
622442544243
73460011525
oct1070505143
9341436680
10149064291
1177163232
1241b08083
1324b6202c
1415b23a15
15d1472e6
hex8e28a63

149064291 has 24 divisors (see below), whose sum is σ = 227136000. Its totient is φ = 93943152.

The previous prime is 149064283. The next prime is 149064299. The reversal of 149064291 is 192460941.

It is a happy number.

149064291 is a `hidden beast` number, since 1 + 4 + 9 + 0 + 642 + 9 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (149064283) and next prime (149064299).

It is not a de Polignac number, because 149064291 - 23 = 149064283 is a prime.

It is a super-3 number, since 3×1490642913 (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (149064299) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142950 + ... + 143988.

It is an arithmetic number, because the mean of its divisors is an integer number (9464000).

Almost surely, 2149064291 is an apocalyptic number.

149064291 is a deficient number, since it is larger than the sum of its proper divisors (78071709).

149064291 is a wasteful number, since it uses less digits than its factorization.

149064291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903 (or 1900 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 149064291 is about 12209.1887936914. The cubic root of 149064291 is about 530.2221579636. Note that the first 3 decimals are identical.

The spelling of 149064291 in words is "one hundred forty-nine million, sixty-four thousand, two hundred ninety-one".

Divisors: 1 3 9 19 57 171 839 1039 2517 3117 7551 9351 15941 19741 47823 59223 143469 177669 871721 2615163 7845489 16562699 49688097 149064291