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913940 = 22545697
BaseRepresentation
bin11011111001000010100
31201102200122
43133020110
5213221230
631331112
710524356
oct3371024
91642618
10913940
11574725
12380a98
1325ccc1
1419b0d6
15130be5
hexdf214

913940 has 12 divisors (see below), whose sum is σ = 1919316. Its totient is φ = 365568.

The previous prime is 913933. The next prime is 913943. The reversal of 913940 is 49319.

It is a happy number.

913940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 327184 + 586756 = 572^2 + 766^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 913940.

It is not an unprimeable number, because it can be changed into a prime (913943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22829 + ... + 22868.

It is an arithmetic number, because the mean of its divisors is an integer number (159943).

2913940 is an apocalyptic number.

It is an amenable number.

913940 is an abundant number, since it is smaller than the sum of its proper divisors (1005376).

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

913940 is a wasteful number, since it uses less digits than its factorization.

913940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45706 (or 45704 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 913940 is about 956.0020920479. The cubic root of 913940 is about 97.0448653472.

The spelling of 913940 in words is "nine hundred thirteen thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 45697 91394 182788 228485 456970 913940