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149062019 = 417946021
BaseRepresentation
bin10001110001010…
…00000110000011
3101101111010122112
420320220012003
5301124441034
622442525535
73460002101
oct1070500603
9341433575
10149062019
1177161557
1241b068ab
1324b60ca2
1415b22c71
15d1467ce
hex8e28183

149062019 has 8 divisors (see below), whose sum is σ = 154633920. Its totient is φ = 143582400.

The previous prime is 149062013. The next prime is 149062031. The reversal of 149062019 is 910260941.

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 149062019 - 24 = 149062003 is a prime.

It is a super-2 number, since 2×1490620192 = 44438971016712722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149062013) 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, 19772 + ... + 26249.

It is an arithmetic number, because the mean of its divisors is an integer number (19329240).

Almost surely, 2149062019 is an apocalyptic number.

149062019 is a deficient number, since it is larger than the sum of its proper divisors (5571901).

149062019 is an equidigital number, since it uses as much as digits as its factorization.

149062019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46141.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 149062019 is about 12209.0957486621. The cubic root of 149062019 is about 530.2194641128.

The spelling of 149062019 in words is "one hundred forty-nine million, sixty-two thousand, nineteen".

Divisors: 1 41 79 3239 46021 1886861 3635659 149062019