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930920 = 23517372
BaseRepresentation
bin11100011010001101000
31202021222112
43203101220
5214242140
631541452
710625024
oct3432150
91667875
10930920
11586461
1238a888
13267953
141a3384
15135c65
hexe3468

930920 has 48 divisors (see below), whose sum is σ = 2279340. Its totient is φ = 340992.

The previous prime is 930911. The next prime is 930931. The reversal of 930920 is 29039.

930920 = T165 + T166 + ... + T215.

It can be written as a sum of positive squares in 6 ways, for example, as 872356 + 58564 = 934^2 + 242^2 .

It is a super-2 number, since 2×9309202 = 1733224092800, which contains 22 as substring.

It is an unprimeable number.

930920 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 11 ways as a sum of consecutive naturals, for example, 25142 + ... + 25178.

2930920 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 930920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1139670).

930920 is an abundant number, since it is smaller than the sum of its proper divisors (1348420).

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

930920 is a wasteful number, since it uses less digits than its factorization.

930920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 930920 is about 964.8419559700. The cubic root of 930920 is about 97.6421769694.

Adding to 930920 its reverse (29039), we get a palindrome (959959).

The spelling of 930920 in words is "nine hundred thirty thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 17 20 34 37 40 68 74 85 136 148 170 185 296 340 370 629 680 740 1258 1369 1480 2516 2738 3145 5032 5476 6290 6845 10952 12580 13690 23273 25160 27380 46546 54760 93092 116365 186184 232730 465460 930920