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20070702 = 2323135969
BaseRepresentation
bin100110010010…
…0000100101110
31101202200211100
41030210010232
520114230302
61554103530
7332412111
oct114440456
941680740
1020070702
1110369463
12687aba6
134209672
142946578
151b66d1c
hex132412e

20070702 has 24 divisors (see below), whose sum is σ = 44890560. Its totient is φ = 6474240.

The previous prime is 20070691. The next prime is 20070719. The reversal of 20070702 is 20707002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17427 + ... + 18542.

It is an arithmetic number, because the mean of its divisors is an integer number (1870440).

Almost surely, 220070702 is an apocalyptic number.

20070702 is an abundant number, since it is smaller than the sum of its proper divisors (24819858).

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

20070702 is a wasteful number, since it uses less digits than its factorization.

20070702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36008 (or 36005 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 18.

The square root of 20070702 is about 4480.0337052304. The cubic root of 20070702 is about 271.7612434119.

Adding to 20070702 its reverse (20707002), we get a palindrome (40777704).

The spelling of 20070702 in words is "twenty million, seventy thousand, seven hundred two".

Divisors: 1 2 3 6 9 18 31 62 93 186 279 558 35969 71938 107907 215814 323721 647442 1115039 2230078 3345117 6690234 10035351 20070702