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149111506 = 2194195707
BaseRepresentation
bin10001110001101…
…00001011010010
3101101120122112101
420320310023102
5301133032011
622443551014
73460266265
oct1070641322
9341518471
10149111506
1177195755
1241b2b46a
1324b7a67b
1415b36cdc
15d1562c1
hex8e342d2

149111506 has 16 divisors (see below), whose sum is σ = 241184160. Its totient is φ = 68908320.

The previous prime is 149111503. The next prime is 149111531. The reversal of 149111506 is 605111941.

It is not an unprimeable number, because it can be changed into a prime (149111503) 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, 46296 + ... + 49411.

It is an arithmetic number, because the mean of its divisors is an integer number (15074010).

Almost surely, 2149111506 is an apocalyptic number.

149111506 is a deficient number, since it is larger than the sum of its proper divisors (92072654).

149111506 is a wasteful number, since it uses less digits than its factorization.

149111506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95769.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 149111506 is about 12211.1222252502. The cubic root of 149111506 is about 530.2781333559.

The spelling of 149111506 in words is "one hundred forty-nine million, one hundred eleven thousand, five hundred six".

Divisors: 1 2 19 38 41 82 779 1558 95707 191414 1818433 3636866 3923987 7847974 74555753 149111506