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149992444 = 2275356873
BaseRepresentation
bin10001111000010…
…11001111111100
3101110020101221201
420330023033330
5301344224234
622514505244
73500625520
oct1074131774
9343211851
10149992444
11777375a8
1242295224
13250c8634
1415cc5d80
15d27c314
hex8f0b3fc

149992444 has 12 divisors (see below), whose sum is σ = 299984944. Its totient is φ = 64282464.

The previous prime is 149992439. The next prime is 149992529. The reversal of 149992444 is 444299941.

149992444 is an admirable number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 149992394 and 149992403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2678409 + ... + 2678464.

Almost surely, 2149992444 is an apocalyptic number.

149992444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

149992444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

149992444 is a wasteful number, since it uses less digits than its factorization.

149992444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5356884 (or 5356882 counting only the distinct ones).

The product of its digits is 373248, while the sum is 46.

The square root of 149992444 is about 12247.1402376228. The cubic root of 149992444 is about 531.3203628324.

The spelling of 149992444 in words is "one hundred forty-nine million, nine hundred ninety-two thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 5356873 10713746 21427492 37498111 74996222 149992444