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149402377 = 1921632539
BaseRepresentation
bin10001110011110…
…11001100001001
3101102010102112101
420321323030021
5301221334002
622454113401
73462620305
oct1071731411
9342112471
10149402377
1177374243
124204b861
1324c4cb97
1415bb0d05
15d1b2587
hex8e7b309

149402377 has 12 divisors (see below), whose sum is σ = 158709360. Its totient is φ = 140615352.

The previous prime is 149402369. The next prime is 149402387. The reversal of 149402377 is 773204941.

149402377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149402377 - 23 = 149402369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149402327) 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, 57574 + ... + 60112.

It is an arithmetic number, because the mean of its divisors is an integer number (13225780).

Almost surely, 2149402377 is an apocalyptic number.

It is an amenable number.

149402377 is a deficient number, since it is larger than the sum of its proper divisors (9306983).

149402377 is a wasteful number, since it uses less digits than its factorization.

149402377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740 (or 2721 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 149402377 is about 12223.0265073753. The cubic root of 149402377 is about 530.6227129488.

The spelling of 149402377 in words is "one hundred forty-nine million, four hundred two thousand, three hundred seventy-seven".

Divisors: 1 19 163 361 2539 3097 48241 58843 413857 916579 7863283 149402377