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139263341 = 727338933
BaseRepresentation
bin10000100110011…
…11110101101101
3100201001022101112
420103033311231
5241122411331
621452521405
73310501400
oct1023176555
9321038345
10139263341
1171679678
123a780265
1322b0cc59
14146d1d37
15c35d32b
hex84cfd6d

139263341 has 12 divisors (see below), whose sum is σ = 164223612. Its totient is φ = 117730368.

The previous prime is 139263329. The next prime is 139263343. The reversal of 139263341 is 143362931.

It can be written as a sum of positive squares in 2 ways, for example, as 25755625 + 113507716 = 5075^2 + 10654^2 .

It is a de Polignac number, because none of the positive numbers 2k-139263341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 139263298 and 139263307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139263343) 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, 15890 + ... + 23043.

It is an arithmetic number, because the mean of its divisors is an integer number (13685301).

Almost surely, 2139263341 is an apocalyptic number.

It is an amenable number.

139263341 is a deficient number, since it is larger than the sum of its proper divisors (24960271).

139263341 is an equidigital number, since it uses as much as digits as its factorization.

139263341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39020 (or 39013 counting only the distinct ones).

The product of its digits is 11664, while the sum is 32.

The square root of 139263341 is about 11800.9889839793. The cubic root of 139263341 is about 518.3370706081.

The spelling of 139263341 in words is "one hundred thirty-nine million, two hundred sixty-three thousand, three hundred forty-one".

Divisors: 1 7 49 73 511 3577 38933 272531 1907717 2842109 19894763 139263341