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10421748 = 22321717029
BaseRepresentation
bin100111110000…
…010111110100
3201121110221200
4213300113310
510131443443
61011212500
7154404051
oct47602764
921543850
1010421748
115979017
1235a7130
13220b81c
141554028
15dacdd3
hex9f05f4

10421748 has 36 divisors (see below), whose sum is σ = 27895140. Its totient is φ = 3269376.

The previous prime is 10421713. The next prime is 10421779. The reversal of 10421748 is 84712401.

It can be written as a sum of positive squares in 2 ways, for example, as 8225424 + 2196324 = 2868^2 + 1482^2 .

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

It is a super-2 number, since 2×104217482 = 217225662751008, 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 (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7903 + ... + 9126.

It is an arithmetic number, because the mean of its divisors is an integer number (774865).

Almost surely, 210421748 is an apocalyptic number.

10421748 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

10421748 is an abundant number, since it is smaller than the sum of its proper divisors (17473392).

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

10421748 is a wasteful number, since it uses less digits than its factorization.

10421748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17056 (or 17051 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 10421748 is about 3228.2732226378. The cubic root of 10421748 is about 218.4306220396.

The spelling of 10421748 in words is "ten million, four hundred twenty-one thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 153 204 306 612 17029 34058 51087 68116 102174 153261 204348 289493 306522 578986 613044 868479 1157972 1736958 2605437 3473916 5210874 10421748