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149112477 = 32157105529
BaseRepresentation
bin10001110001101…
…00011010011101
3101101120200212100
420320310122131
5301133044402
622443555313
73460302153
oct1070643235
9341520770
10149112477
1177196458
1241b2bb39
1324b7ac47
1415b373d3
15d15671c
hex8e3469d

149112477 has 12 divisors (see below), whose sum is σ = 216758620. Its totient is φ = 98774208.

The previous prime is 149112413. The next prime is 149112497. The reversal of 149112477 is 774211941.

149112477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 21399876 + 127712601 = 4626^2 + 11301^2 .

It is not a de Polignac number, because 149112477 - 26 = 149112413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149112407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51352 + ... + 54177.

Almost surely, 2149112477 is an apocalyptic number.

It is an amenable number.

149112477 is a deficient number, since it is larger than the sum of its proper divisors (67646143).

149112477 is a wasteful number, since it uses less digits than its factorization.

149112477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105692 (or 105689 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 149112477 is about 12211.1619840210. The cubic root of 149112477 is about 530.2792843937.

The spelling of 149112477 in words is "one hundred forty-nine million, one hundred twelve thousand, four hundred seventy-seven".

Divisors: 1 3 9 157 471 1413 105529 316587 949761 16568053 49704159 149112477