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10749890 = 251074989
BaseRepresentation
bin101001000000…
…011111000010
3202020011002002
4221000133002
510222444030
61022224002
7160241534
oct51003702
922204062
1010749890
116082608
123725002
1322c4ca8
1415db854
15e25245
hexa407c2

10749890 has 8 divisors (see below), whose sum is σ = 19349820. Its totient is φ = 4299952.

The previous prime is 10749889. The next prime is 10749917. The reversal of 10749890 is 9894701.

It can be written as a sum of positive squares in 2 ways, for example, as 9803161 + 946729 = 3131^2 + 973^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537485 + ... + 537504.

Almost surely, 210749890 is an apocalyptic number.

10749890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10749890 is a deficient number, since it is larger than the sum of its proper divisors (8599930).

10749890 is a wasteful number, since it uses less digits than its factorization.

10749890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074996.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 10749890 is about 3278.7024872654. The cubic root of 10749890 is about 220.6994953435.

The spelling of 10749890 in words is "ten million, seven hundred forty-nine thousand, eight hundred ninety".

Divisors: 1 2 5 10 1074989 2149978 5374945 10749890