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10258780 = 225773277
BaseRepresentation
bin100111001000…
…100101011100
3201022012101211
4213020211130
510111240110
61003514204
7153124660
oct47104534
921265354
1010258780
115877634
123528964
1321825ac
1415108a0
15d7998a
hex9c895c

10258780 has 24 divisors (see below), whose sum is σ = 24621408. Its totient is φ = 3517248.

The previous prime is 10258777. The next prime is 10258793. The reversal of 10258780 is 8785201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36499 + ... + 36778.

It is an arithmetic number, because the mean of its divisors is an integer number (1025892).

Almost surely, 210258780 is an apocalyptic number.

10258780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10258780 is an abundant number, since it is smaller than the sum of its proper divisors (14362628).

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

10258780 is a wasteful number, since it uses less digits than its factorization.

10258780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73293 (or 73291 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 10258780 is about 3202.9330308328. The cubic root of 10258780 is about 217.2860802417.

The spelling of 10258780 in words is "ten million, two hundred fifty-eight thousand, seven hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 73277 146554 293108 366385 512939 732770 1025878 1465540 2051756 2564695 5129390 10258780