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7139704 = 231113792
BaseRepresentation
bin11011001111000101111000
3111102201211111
4123033011320
53311432304
6413010104
7114454315
oct33170570
914381744
107139704
114037190
122483934
13162c9a0
14d3bd0c
15960704
hex6cf178

7139704 has 48 divisors (see below), whose sum is σ = 15928920. Its totient is φ = 2957760.

The previous prime is 7139701. The next prime is 7139731. The reversal of 7139704 is 4079317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7139701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90337 + ... + 90415.

Almost surely, 27139704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7139704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7964460).

7139704 is an abundant number, since it is smaller than the sum of its proper divisors (8789216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7139704 is a wasteful number, since it uses less digits than its factorization.

7139704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 7139704 is about 2672.0224549955. The cubic root of 7139704 is about 192.5573360439.

The spelling of 7139704 in words is "seven million, one hundred thirty-nine thousand, seven hundred four".

Divisors: 1 2 4 8 11 13 22 26 44 52 79 88 104 143 158 286 316 572 632 869 1027 1144 1738 2054 3476 4108 6241 6952 8216 11297 12482 22594 24964 45188 49928 68651 81133 90376 137302 162266 274604 324532 549208 649064 892463 1784926 3569852 7139704