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696488490 = 23357932653
BaseRepresentation
bin101001100000111…
…001001000101010
31210112120021121000
4221200321020222
52411300112430
6153040055430
723155024455
oct5140711052
91715507530
10696488490
11328171125
12175304576
13b13acc89
146870249c
154122be60
hex2983922a

696488490 has 64 divisors (see below), whose sum is σ = 1880870400. Its totient is φ = 183373632.

The previous prime is 696488489. The next prime is 696488497. The reversal of 696488490 is 94884696.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (696488497) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5004 + ... + 37656.

It is an arithmetic number, because the mean of its divisors is an integer number (29388600).

Almost surely, 2696488490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 696488490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (940435200).

696488490 is an abundant number, since it is smaller than the sum of its proper divisors (1184381910).

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

696488490 is a wasteful number, since it uses less digits than its factorization.

696488490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32748 (or 32742 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The square root of 696488490 is about 26391.0683754940. The cubic root of 696488490 is about 886.4168055895.

The spelling of 696488490 in words is "six hundred ninety-six million, four hundred eighty-eight thousand, four hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 79 90 135 158 237 270 395 474 711 790 1185 1422 2133 2370 3555 4266 7110 10665 21330 32653 65306 97959 163265 195918 293877 326530 489795 587754 881631 979590 1469385 1763262 2579587 2938770 4408155 5159174 7738761 8816310 12897935 15477522 23216283 25795870 38693805 46432566 69648849 77387610 116081415 139297698 232162830 348244245 696488490