Search a number
-
+
1136920 = 23543661
BaseRepresentation
bin100010101100100011000
32010202120011
410111210120
5242340140
640211304
712443431
oct4254430
92122504
101136920
11707204
12469b34
1330a645
14218488
15176cea
hex115918

1136920 has 32 divisors (see below), whose sum is σ = 2621520. Its totient is φ = 443520.

The previous prime is 1136917. The next prime is 1136921. The reversal of 1136920 is 296311.

It is a junction number, because it is equal to n+sod(n) for n = 1136891 and 1136900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1136921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1390 + ... + 2050.

21136920 is an apocalyptic number.

1136920 is a gapful number since it is divisible by the number (10) 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 1136920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1310760).

1136920 is an abundant number, since it is smaller than the sum of its proper divisors (1484600).

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

1136920 is a wasteful number, since it uses less digits than its factorization.

1136920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 711 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1136920 is about 1066.2645075215. The cubic root of 1136920 is about 104.3702287850.

The spelling of 1136920 in words is "one million, one hundred thirty-six thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 43 86 172 215 344 430 661 860 1322 1720 2644 3305 5288 6610 13220 26440 28423 56846 113692 142115 227384 284230 568460 1136920