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10030988 = 2211227977
BaseRepresentation
bin100110010000…
…111110001100
3200212121221002
4212100332030
510031442423
6554555432
7151155602
oct46207614
920777832
1010030988
115731480
123438b78
1321029c6
141491872
15d32228
hex990f8c

10030988 has 12 divisors (see below), whose sum is σ = 19150152. Its totient is φ = 4559520.

The previous prime is 10030987. The next prime is 10030991. The reversal of 10030988 is 88903001.

It is a happy number.

It is a super-2 number, since 2×100309882 = 201241440512288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10030988.

It is not an unprimeable number, because it can be changed into a prime (10030987) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 113945 + ... + 114032.

It is an arithmetic number, because the mean of its divisors is an integer number (1595846).

Almost surely, 210030988 is an apocalyptic number.

It is an amenable number.

10030988 is a deficient number, since it is larger than the sum of its proper divisors (9119164).

10030988 is a wasteful number, since it uses less digits than its factorization.

10030988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227992 (or 227990 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 10030988 is about 3167.1735032991. The cubic root of 10030988 is about 215.6657782710.

Adding to 10030988 its reverse (88903001), we get a palindrome (98933989).

The spelling of 10030988 in words is "ten million, thirty thousand, nine hundred eighty-eight".

Divisors: 1 2 4 11 22 44 227977 455954 911908 2507747 5015494 10030988