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149010858 = 23256914549
BaseRepresentation
bin10001110000110…
…11100110101010
3101101101112110200
420320123212222
5301121321413
622441453030
73456366663
oct1070334652
9341345420
10149010858
1177127077
1241aa1176
1324b43909
1415b0c36a
15d136573
hex8e1b9aa

149010858 has 24 divisors (see below), whose sum is σ = 323446500. Its totient is φ = 49579584.

The previous prime is 149010857. The next prime is 149010907. The reversal of 149010858 is 858010941.

149010858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 149010849 + 9 = 12207^2 + 3^2 .

It is not an unprimeable number, because it can be changed into a prime (149010857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2968 + ... + 17516.

Almost surely, 2149010858 is an apocalyptic number.

149010858 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

149010858 is an abundant number, since it is smaller than the sum of its proper divisors (174435642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149010858 is a wasteful number, since it uses less digits than its factorization.

149010858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15126 (or 15123 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 149010858 is about 12207.0003686409. Note that the first 3 decimals coincide. The cubic root of 149010858 is about 530.1587966085.

The spelling of 149010858 in words is "one hundred forty-nine million, ten thousand, eight hundred fifty-eight".

Divisors: 1 2 3 6 9 18 569 1138 1707 3414 5121 10242 14549 29098 43647 87294 130941 261882 8278381 16556762 24835143 49670286 74505429 149010858