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2315740 = 2257217139
BaseRepresentation
bin1000110101010111011100
311100122121011
420311113130
51043100430
6121345004
725453300
oct10652734
94318534
102315740
111341939
12938164
1363107b
14443d00
1530b22a
hex2355dc

2315740 has 72 divisors (see below), whose sum is σ = 6032880. Its totient is φ = 741888.

The previous prime is 2315707. The next prime is 2315759. The reversal of 2315740 is 475132.

2315740 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

2315740 is strictly pandigital in base 8.

It is a congruent number.

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, 16591 + ... + 16729.

It is an arithmetic number, because the mean of its divisors is an integer number (83790).

22315740 is an apocalyptic number.

2315740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2315740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3016440).

2315740 is an abundant number, since it is smaller than the sum of its proper divisors (3717140).

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

2315740 is a wasteful number, since it uses less digits than its factorization.

2315740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 2315740 is about 1521.7555651286. The cubic root of 2315740 is about 132.3010423292.

The spelling of 2315740 in words is "two million, three hundred fifteen thousand, seven hundred forty".

Divisors: 1 2 4 5 7 10 14 17 20 28 34 35 49 68 70 85 98 119 139 140 170 196 238 245 278 340 476 490 556 595 695 833 973 980 1190 1390 1666 1946 2363 2380 2780 3332 3892 4165 4726 4865 6811 8330 9452 9730 11815 13622 16541 16660 19460 23630 27244 33082 34055 47260 66164 68110 82705 115787 136220 165410 231574 330820 463148 578935 1157870 2315740