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10242620 = 2254112491
BaseRepresentation
bin100111000100…
…101000111100
3201021101020022
4213010220330
510110230440
61003311312
7153026603
oct47045074
921241208
1010242620
115866483
12351b538
13217812b
141508a3a
15d74cb5
hex9c4a3c

10242620 has 24 divisors (see below), whose sum is σ = 22035888. Its totient is φ = 3996800.

The previous prime is 10242601. The next prime is 10242637. The reversal of 10242620 is 2624201.

It is a super-2 number, since 2×102426202 = 209822528928800, which contains 22 as substring.

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, 5426 + ... + 7065.

It is an arithmetic number, because the mean of its divisors is an integer number (918162).

Almost surely, 210242620 is an apocalyptic number.

10242620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10242620 is an abundant number, since it is smaller than the sum of its proper divisors (11793268).

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

10242620 is a wasteful number, since it uses less digits than its factorization.

10242620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12541 (or 12539 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 10242620 is about 3200.4093488177. The cubic root of 10242620 is about 217.1719279935.

Adding to 10242620 its reverse (2624201), we get a palindrome (12866821).

The spelling of 10242620 in words is "ten million, two hundred forty-two thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 12491 24982 49964 62455 124910 249820 512131 1024262 2048524 2560655 5121310 10242620