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149922049 = 2514571307
BaseRepresentation
bin10001110111110…
…10000100000001
3101110002211101111
420323322010001
5301340001144
622513203321
73500213344
oct1073720401
9343084344
10149922049
1177699722
1242260541
13250a2594
1415ca845b
15d266534
hex8efa101

149922049 has 8 divisors (see below), whose sum is σ = 150964128. Its totient is φ = 148884000.

The previous prime is 149922043. The next prime is 149922053. The reversal of 149922049 is 940229941.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-149922049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149922043) 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, 114054 + ... + 115360.

It is an arithmetic number, because the mean of its divisors is an integer number (18870516).

Almost surely, 2149922049 is an apocalyptic number.

It is an amenable number.

149922049 is a deficient number, since it is larger than the sum of its proper divisors (1042079).

149922049 is a wasteful number, since it uses less digits than its factorization.

149922049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 149922049 is about 12244.2659641156. The cubic root of 149922049 is about 531.2372294231.

The spelling of 149922049 in words is "one hundred forty-nine million, nine hundred twenty-two thousand, forty-nine".

Divisors: 1 251 457 1307 114707 328057 597299 149922049