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139098271 = 1331547631
BaseRepresentation
bin10000100101001…
…11100010011111
3100200201220221211
420102213202133
5241102121041
621445205251
73306213214
oct1022474237
9320656854
10139098271
1171576654
123a700827
1322a82a90
141468bb0b
15c329481
hex84a789f

139098271 has 16 divisors (see below), whose sum is σ = 155158528. Its totient is φ = 123832800.

The previous prime is 139098263. The next prime is 139098287. The reversal of 139098271 is 172890931.

139098271 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 139098271 - 23 = 139098263 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 (139098251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220126 + ... + 220756.

It is an arithmetic number, because the mean of its divisors is an integer number (9697408).

Almost surely, 2139098271 is an apocalyptic number.

139098271 is a deficient number, since it is larger than the sum of its proper divisors (16060257).

139098271 is a wasteful number, since it uses less digits than its factorization.

139098271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 139098271 is about 11793.9930049157. The cubic root of 139098271 is about 518.1321932210.

The spelling of 139098271 in words is "one hundred thirty-nine million, ninety-eight thousand, two hundred seventy-one".

Divisors: 1 13 31 403 547 631 7111 8203 16957 19561 220441 254293 345157 4487041 10699867 139098271