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149658007 = 374044811
BaseRepresentation
bin10001110101110…
…01100110010111
3101102121102012011
420322321212113
5301303024012
622503405051
73465033502
oct1072714627
9342542164
10149658007
1177529304
1242153787
132500c345
1415c3a139
15d2131a7
hex8eb9997

149658007 has 4 divisors (see below), whose sum is σ = 153702856. Its totient is φ = 145613160.

The previous prime is 149657983. The next prime is 149658013. The reversal of 149658007 is 700856941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-149658007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149658097) 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, 2022369 + ... + 2022442.

It is an arithmetic number, because the mean of its divisors is an integer number (38425714).

Almost surely, 2149658007 is an apocalyptic number.

149658007 is a deficient number, since it is larger than the sum of its proper divisors (4044849).

149658007 is an equidigital number, since it uses as much as digits as its factorization.

149658007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044848.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 149658007 is about 12233.4789410045. The cubic root of 149658007 is about 530.9251753276.

The spelling of 149658007 in words is "one hundred forty-nine million, six hundred fifty-eight thousand, seven".

Divisors: 1 37 4044811 149658007