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149066441 = 1031447247
BaseRepresentation
bin10001110001010…
…01001011001001
3101101111100201022
420320221023021
5301130111231
622443002225
73460021016
oct1070511311
9341440638
10149066441
1177164907
1241b09375
1324b62cc4
1415b2470d
15d147c7b
hex8e292c9

149066441 has 4 divisors (see below), whose sum is σ = 150513792. Its totient is φ = 147619092.

The previous prime is 149066429. The next prime is 149066461. The reversal of 149066441 is 144660941.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 149066441 - 210 = 149065417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149066461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723521 + ... + 723726.

It is an arithmetic number, because the mean of its divisors is an integer number (37628448).

Almost surely, 2149066441 is an apocalyptic number.

It is an amenable number.

149066441 is a deficient number, since it is larger than the sum of its proper divisors (1447351).

149066441 is a wasteful number, since it uses less digits than its factorization.

149066441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447350.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 149066441 is about 12209.2768418117. The cubic root of 149066441 is about 530.2247071370.

The spelling of 149066441 in words is "one hundred forty-nine million, sixty-six thousand, four hundred forty-one".

Divisors: 1 103 1447247 149066441