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252940 = 22512647
BaseRepresentation
bin111101110000001100
3110211222011
4331300030
531043230
65231004
72102302
oct756014
9424864
10252940
11163046
12102464
138b18c
1468272
154ee2a
hex3dc0c

252940 has 12 divisors (see below), whose sum is σ = 531216. Its totient is φ = 101168.

The previous prime is 252937. The next prime is 252949. The reversal of 252940 is 49252.

It is a happy number.

252940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (252949) 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, 6304 + ... + 6343.

It is an arithmetic number, because the mean of its divisors is an integer number (44268).

2252940 is an apocalyptic number.

252940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252940 is an abundant number, since it is smaller than the sum of its proper divisors (278276).

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

252940 is a wasteful number, since it uses less digits than its factorization.

252940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12656 (or 12654 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 252940 is about 502.9314068539. The cubic root of 252940 is about 63.2420352732.

The spelling of 252940 in words is "two hundred fifty-two thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 12647 25294 50588 63235 126470 252940