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149210455 = 537806543
BaseRepresentation
bin10001110010011…
…00010101010111
3101101202200021011
420321030111113
5301144213310
622450033051
73461160622
oct1071142527
9341680234
10149210455
1177253029
1241b78787
1324bb3714
1415b60db9
15d17578a
hex8e4c557

149210455 has 8 divisors (see below), whose sum is σ = 183892032. Its totient is φ = 116142048.

The previous prime is 149210449. The next prime is 149210461. The reversal of 149210455 is 554012941.

149210455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (149210449) and next prime (149210461).

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 149210455 - 23 = 149210447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403087 + ... + 403456.

It is an arithmetic number, because the mean of its divisors is an integer number (22986504).

Almost surely, 2149210455 is an apocalyptic number.

149210455 is a deficient number, since it is larger than the sum of its proper divisors (34681577).

149210455 is an equidigital number, since it uses as much as digits as its factorization.

149210455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806585.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 149210455 is about 12215.1731465420. The cubic root of 149210455 is about 530.3954032890.

The spelling of 149210455 in words is "one hundred forty-nine million, two hundred ten thousand, four hundred fifty-five".

Divisors: 1 5 37 185 806543 4032715 29842091 149210455