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10031090 = 251003109
BaseRepresentation
bin100110010000…
…111111110010
3200212122001212
4212100333302
510031443330
6555000122
7151156106
oct46207762
920778055
1010031090
115731563
123439042
132102a74
141491906
15d32295
hex990ff2

10031090 has 8 divisors (see below), whose sum is σ = 18055980. Its totient is φ = 4012432.

The previous prime is 10031053. The next prime is 10031113. The reversal of 10031090 is 9013001.

It can be written as a sum of positive squares in 2 ways, for example, as 8862529 + 1168561 = 2977^2 + 1081^2 .

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

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 501545 + ... + 501564.

Almost surely, 210031090 is an apocalyptic number.

10031090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10031090 is a deficient number, since it is larger than the sum of its proper divisors (8024890).

10031090 is a wasteful number, since it uses less digits than its factorization.

10031090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003116.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 10031090 is about 3167.1896059440. The cubic root of 10031090 is about 215.6665092670. Note that the first 3 decimals are identical.

Adding to 10031090 its reverse (9013001), we get a palindrome (19044091).

The spelling of 10031090 in words is "ten million, thirty-one thousand, ninety".

Divisors: 1 2 5 10 1003109 2006218 5015545 10031090