Search a number
-
+
920436 = 2231119367
BaseRepresentation
bin11100000101101110100
31201202121020
43200231310
5213423221
631421140
710552326
oct3405564
91652536
10920436
115795a0
123847b0
13262c4a
1419d616
15132ac6
hexe0b74

920436 has 48 divisors (see below), whose sum is σ = 2472960. Its totient is φ = 263520.

The previous prime is 920419. The next prime is 920441. The reversal of 920436 is 634029.

920436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2325 + ... + 2691.

It is an arithmetic number, because the mean of its divisors is an integer number (51520).

2920436 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 920436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1236480).

920436 is an abundant number, since it is smaller than the sum of its proper divisors (1552524).

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

920436 is a wasteful number, since it uses less digits than its factorization.

920436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 920436 is about 959.3935584524. The cubic root of 920436 is about 97.2742442798.

The spelling of 920436 in words is "nine hundred twenty thousand, four hundred thirty-six".

Divisors: 1 2 3 4 6 11 12 19 22 33 38 44 57 66 76 114 132 209 228 367 418 627 734 836 1101 1254 1468 2202 2508 4037 4404 6973 8074 12111 13946 16148 20919 24222 27892 41838 48444 76703 83676 153406 230109 306812 460218 920436