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149050231 = 1119713159
BaseRepresentation
bin10001110001001…
…01001101110111
3101101110112110221
420320211031313
5301124101411
622442355211
73456622531
oct1070451567
9341415427
10149050231
1177153710
1241abbb07
1324b58805
1415b1c851
15d143071
hex8e25377

149050231 has 8 divisors (see below), whose sum is σ = 171158400. Its totient is φ = 128368440.

The previous prime is 149050217. The next prime is 149050241. The reversal of 149050231 is 132050941.

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 149050231 - 211 = 149048183 is a prime.

It is a super-2 number, since 2×1490502312 = 44431942722306722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149050196 and 149050205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149050241) 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, 356371 + ... + 356788.

It is an arithmetic number, because the mean of its divisors is an integer number (21394800).

Almost surely, 2149050231 is an apocalyptic number.

149050231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

149050231 is a deficient number, since it is larger than the sum of its proper divisors (22108169).

149050231 is a wasteful number, since it uses less digits than its factorization.

149050231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713189.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 149050231 is about 12208.6129842829. The cubic root of 149050231 is about 530.2054869512.

The spelling of 149050231 in words is "one hundred forty-nine million, fifty thousand, two hundred thirty-one".

Divisors: 1 11 19 209 713159 7844749 13550021 149050231