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10223980 = 2251339323
BaseRepresentation
bin100111000000…
…000101101100
3201020102122221
4213000011230
510104131410
61003045124
7152621344
oct47000554
921212587
1010223980
115853478
1235107a4
13216c7c0
141501d24
15d6e4da
hex9c016c

10223980 has 24 divisors (see below), whose sum is σ = 23122512. Its totient is φ = 3774912.

The previous prime is 10223971. The next prime is 10223989. The reversal of 10223980 is 8932201.

It is an interprime number because it is at equal distance from previous prime (10223971) and next prime (10223989).

It is not an unprimeable number, because it can be changed into a prime (10223989) 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, 19402 + ... + 19921.

It is an arithmetic number, because the mean of its divisors is an integer number (963438).

Almost surely, 210223980 is an apocalyptic number.

10223980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10223980 is an abundant number, since it is smaller than the sum of its proper divisors (12898532).

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

10223980 is a wasteful number, since it uses less digits than its factorization.

10223980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39345 (or 39343 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 10223980 is about 3197.4958952280. The cubic root of 10223980 is about 217.0401081123.

The spelling of 10223980 in words is "ten million, two hundred twenty-three thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 39323 78646 157292 196615 393230 511199 786460 1022398 2044796 2555995 5111990 10223980