Search a number
-
+
745836 = 223713683
BaseRepresentation
bin10110110000101101100
31101220002120
42312011230
5142331321
623552540
76224310
oct2660554
91356076
10745836
1146a3a3
122bb750
13201630
14155b40
15eaec6
hexb616c

745836 has 48 divisors (see below), whose sum is σ = 2145024. Its totient is φ = 196416.

The previous prime is 745817. The next prime is 745837. The reversal of 745836 is 638547.

745836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 745797 and 745806.

It is not an unprimeable number, because it can be changed into a prime (745837) by changing a digit.

745836 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 751 + ... + 1433.

It is an arithmetic number, because the mean of its divisors is an integer number (44688).

2745836 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 745836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1072512).

745836 is an abundant number, since it is smaller than the sum of its proper divisors (1399188).

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

745836 is a wasteful number, since it uses less digits than its factorization.

745836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710 (or 708 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 745836 is about 863.6179710960. The cubic root of 745836 is about 90.6875732738.

The spelling of 745836 in words is "seven hundred forty-five thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 78 84 91 156 182 273 364 546 683 1092 1366 2049 2732 4098 4781 8196 8879 9562 14343 17758 19124 26637 28686 35516 53274 57372 62153 106548 124306 186459 248612 372918 745836