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149829031 = 1131343517
BaseRepresentation
bin10001110111000…
…11010110100111
3101102221002210101
420323203112213
5301324012111
622511204531
73466345222
oct1073432647
9342832711
10149829031
1177635850
1242216747
132506c141
1415c825b9
15d248bc1
hex8ee35a7

149829031 has 8 divisors (see below), whose sum is σ = 163975824. Its totient is φ = 135769920.

The previous prime is 149828999. The next prime is 149829049. The reversal of 149829031 is 130928941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 149829031 - 25 = 149828999 is a prime.

It is a super-2 number, since 2×1498290312 = 44897477060797922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149829131) 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, 18316 + ... + 25201.

It is an arithmetic number, because the mean of its divisors is an integer number (20496978).

Almost surely, 2149829031 is an apocalyptic number.

149829031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

149829031 is a deficient number, since it is larger than the sum of its proper divisors (14146793).

149829031 is a wasteful number, since it uses less digits than its factorization.

149829031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43841.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 149829031 is about 12240.4669437077. The cubic root of 149829031 is about 531.1273393211.

The spelling of 149829031 in words is "one hundred forty-nine million, eight hundred twenty-nine thousand, thirty-one".

Divisors: 1 11 313 3443 43517 478687 13620821 149829031