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149738446 = 211133831367
BaseRepresentation
bin10001110110011…
…01001111001110
3101102202111112101
420323031033032
5301313112241
622505225314
73465520144
oct1073151716
9342674471
10149738446
1177583790
124219223a
1325039b40
1415c5b594
15d22be31
hex8ecd3ce

149738446 has 32 divisors (see below), whose sum is σ = 264757248. Its totient is φ = 62617440.

The previous prime is 149738429. The next prime is 149738453. The reversal of 149738446 is 644837941.

It is a junction number, because it is equal to n+sod(n) for n = 149738396 and 149738405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108855 + ... + 110221.

It is an arithmetic number, because the mean of its divisors is an integer number (8273664).

Almost surely, 2149738446 is an apocalyptic number.

149738446 is a deficient number, since it is larger than the sum of its proper divisors (115018802).

149738446 is a wasteful number, since it uses less digits than its factorization.

149738446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776.

The product of its digits is 580608, while the sum is 46.

The square root of 149738446 is about 12236.7661577722. The cubic root of 149738446 is about 531.0202798080.

The spelling of 149738446 in words is "one hundred forty-nine million, seven hundred thirty-eight thousand, four hundred forty-six".

Divisors: 1 2 11 13 22 26 143 286 383 766 1367 2734 4213 4979 8426 9958 15037 17771 30074 35542 54769 109538 195481 390962 523561 1047122 5759171 6806293 11518342 13612586 74869223 149738446