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1070139 = 37131389
BaseRepresentation
bin100000101010000111011
32000100221210
410011100323
5233221024
634534203
712044640
oct4052073
92010853
101070139
11671014
12437363
132b6125
141dbdc7
15162129
hex10543b

1070139 has 16 divisors (see below), whose sum is σ = 1647360. Its totient is φ = 605280.

The previous prime is 1070131. The next prime is 1070149. The reversal of 1070139 is 9310701.

It is not a de Polignac number, because 1070139 - 23 = 1070131 is a prime.

It is a super-2 number, since 2×10701392 = 2290394958642, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1070131) 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, 2557 + ... + 2945.

It is an arithmetic number, because the mean of its divisors is an integer number (102960).

21070139 is an apocalyptic number.

1070139 is a deficient number, since it is larger than the sum of its proper divisors (577221).

1070139 is a wasteful number, since it uses less digits than its factorization.

1070139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530.

The product of its (nonzero) digits is 189, while the sum is 21.

The square root of 1070139 is about 1034.4752292829. The cubic root of 1070139 is about 102.2853409717.

The spelling of 1070139 in words is "one million, seventy thousand, one hundred thirty-nine".

Divisors: 1 3 7 21 131 389 393 917 1167 2723 2751 8169 50959 152877 356713 1070139