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7013988 = 22322343197
BaseRepresentation
bin11010110000011001100100
3111012100101100
4122300121210
53243421423
6410200100
7113421642
oct32603144
914170340
107013988
113a60793
122423030
1315b76b7
14d08192
15938343
hex6b0664

7013988 has 72 divisors (see below), whose sum is σ = 19027008. Its totient is φ = 2173248.

The previous prime is 7013971. The next prime is 7014037. The reversal of 7013988 is 8893107.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35506 + ... + 35702.

It is an arithmetic number, because the mean of its divisors is an integer number (264264).

Almost surely, 27013988 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 7013988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9513504).

7013988 is an abundant number, since it is smaller than the sum of its proper divisors (12013020).

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

7013988 is a wasteful number, since it uses less digits than its factorization.

7013988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 7013988 is about 2648.3934752978. The cubic root of 7013988 is about 191.4204529330.

It can be divided in two parts, 7013 and 988, that added together give a triangular number (8001 = T126).

The spelling of 7013988 in words is "seven million, thirteen thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 23 36 43 46 69 86 92 129 138 172 197 207 258 276 387 394 414 516 591 774 788 828 989 1182 1548 1773 1978 2364 2967 3546 3956 4531 5934 7092 8471 8901 9062 11868 13593 16942 17802 18124 25413 27186 33884 35604 40779 50826 54372 76239 81558 101652 152478 163116 194833 304956 389666 584499 779332 1168998 1753497 2337996 3506994 7013988