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10242915 = 351016761
BaseRepresentation
bin100111000100…
…101101100011
3201021101122020
4213010231203
510110233130
61003312523
7153030504
oct47045543
921241566
1010242915
115866721
12351b743
1321782c7
141508bab
15d74e10
hex9c4b63

10242915 has 16 divisors (see below), whose sum is σ = 16553376. Its totient is φ = 5408000.

The previous prime is 10242899. The next prime is 10242929. The reversal of 10242915 is 51924201.

10242915 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10242915 - 24 = 10242899 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1866 + ... + 4895.

It is an arithmetic number, because the mean of its divisors is an integer number (1034586).

Almost surely, 210242915 is an apocalyptic number.

10242915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10242915 is a deficient number, since it is larger than the sum of its proper divisors (6310461).

10242915 is a wasteful number, since it uses less digits than its factorization.

10242915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6870.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 10242915 is about 3200.4554363403. The cubic root of 10242915 is about 217.1740129126.

The spelling of 10242915 in words is "ten million, two hundred forty-two thousand, nine hundred fifteen".

Divisors: 1 3 5 15 101 303 505 1515 6761 20283 33805 101415 682861 2048583 3414305 10242915