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149613001 = 2917872887
BaseRepresentation
bin10001110101011…
…10100111001001
3101102112010110021
420322232213021
5301300104001
622502420441
73464455336
oct1072564711
9342463407
10149613001
11774a850a
1242131721
1324cc4a05
1415c2798d
15d204ba1
hex8eae9c9

149613001 has 8 divisors (see below), whose sum is σ = 154912320. Its totient is φ = 144323088.

The previous prime is 149612987. The next prime is 149613007. The reversal of 149613001 is 100316941.

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

It is a cyclic number.

It is not a de Polignac number, because 149613001 - 217 = 149481929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149613007) 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, 50380 + ... + 53266.

It is an arithmetic number, because the mean of its divisors is an integer number (19364040).

Almost surely, 2149613001 is an apocalyptic number.

It is an amenable number.

149613001 is a deficient number, since it is larger than the sum of its proper divisors (5299319).

149613001 is a wasteful number, since it uses less digits than its factorization.

149613001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4703.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 149613001 is about 12231.6393422959. The cubic root of 149613001 is about 530.8719490540.

Adding to 149613001 its reverse (100316941), we get a palindrome (249929942).

The spelling of 149613001 in words is "one hundred forty-nine million, six hundred thirteen thousand, one".

Divisors: 1 29 1787 2887 51823 83723 5159069 149613001