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10243980 = 2232556911
BaseRepresentation
bin100111000100…
…111110001100
3201021110002200
4213010332030
510110301410
61003321500
7153033555
oct47047614
921243080
1010243980
1158674aa
123520290
132178936
14150932c
15d753c0
hex9c4f8c

10243980 has 36 divisors (see below), whose sum is σ = 31073952. Its totient is φ = 2731680.

The previous prime is 10243969. The next prime is 10244011. The reversal of 10243980 is 8934201.

10243980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28276 + ... + 28635.

Almost surely, 210243980 is an apocalyptic number.

10243980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10243980 is an abundant number, since it is smaller than the sum of its proper divisors (20829972).

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

10243980 is a wasteful number, since it uses less digits than its factorization.

10243980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56926 (or 56921 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 10243980 is about 3200.6218145854. The cubic root of 10243980 is about 217.1815394910.

The spelling of 10243980 in words is "ten million, two hundred forty-three thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 56911 113822 170733 227644 284555 341466 512199 569110 682932 853665 1024398 1138220 1707330 2048796 2560995 3414660 5121990 10243980