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149414430 = 23511241161
BaseRepresentation
bin10001110011111…
…10001000011110
3101102011001001210
420321332020132
5301222230210
622454245250
73463000404
oct1071761036
9342131053
10149414430
1177382300
1242056826
1324c55509
1415bb5474
15d1b5e20
hex8e7e21e

149414430 has 48 divisors (see below), whose sum is σ = 394167312. Its totient is φ = 36220800.

The previous prime is 149414413. The next prime is 149414431. The reversal of 149414430 is 34414941.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149414431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16951 + ... + 24210.

It is an arithmetic number, because the mean of its divisors is an integer number (8211819).

Almost surely, 2149414430 is an apocalyptic number.

149414430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149414430 is an abundant number, since it is smaller than the sum of its proper divisors (244752882).

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

149414430 is a wasteful number, since it uses less digits than its factorization.

149414430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41193 (or 41182 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 149414430 is about 12223.5195422595. The cubic root of 149414430 is about 530.6369818507.

The spelling of 149414430 in words is "one hundred forty-nine million, four hundred fourteen thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 121 165 242 330 363 605 726 1210 1815 3630 41161 82322 123483 205805 246966 411610 452771 617415 905542 1234830 1358313 2263855 2716626 4527710 4980481 6791565 9960962 13583130 14941443 24902405 29882886 49804810 74707215 149414430