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10139071 = 109167557
BaseRepresentation
bin100110101011…
…010110111111
3201002010012011
4212223112333
510043422241
61001152051
7152115655
oct46532677
921063164
1010139071
1157a56a8
12348b627
13213cc67
1414bcdd5
15d54281
hex9ab5bf

10139071 has 8 divisors (see below), whose sum is σ = 10311840. Its totient is φ = 9967968.

The previous prime is 10139069. The next prime is 10139081. The reversal of 10139071 is 17093101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10139071 - 21 = 10139069 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 (10139081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17925 + ... + 18481.

It is an arithmetic number, because the mean of its divisors is an integer number (1288980).

Almost surely, 210139071 is an apocalyptic number.

10139071 is a deficient number, since it is larger than the sum of its proper divisors (172769).

10139071 is a wasteful number, since it uses less digits than its factorization.

10139071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833.

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 10139071 is about 3184.1907920224. The cubic root of 10139071 is about 216.4376059163.

The spelling of 10139071 in words is "ten million, one hundred thirty-nine thousand, seventy-one".

Divisors: 1 109 167 557 18203 60713 93019 10139071