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10030869 = 321114541
BaseRepresentation
bin100110010000…
…111100010101
3200212121202200
4212100330111
510031441434
6554555113
7151155342
oct46207425
920777680
1010030869
115731382
123438a99
132102934
1414917c9
15d32199
hex990f15

10030869 has 6 divisors (see below), whose sum is σ = 14489046. Its totient is φ = 6687240.

The previous prime is 10030847. The next prime is 10030871. The reversal of 10030869 is 96803001.

It can be written as a sum of positive squares in only one way, i.e., 6275025 + 3755844 = 2505^2 + 1938^2 .

It is not a de Polignac number, because 10030869 - 25 = 10030837 is a prime.

It is a super-2 number, since 2×100308692 = 201236665790322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031869) 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 5 ways as a sum of consecutive naturals, for example, 557262 + ... + 557279.

It is an arithmetic number, because the mean of its divisors is an integer number (2414841).

Almost surely, 210030869 is an apocalyptic number.

It is an amenable number.

10030869 is a deficient number, since it is larger than the sum of its proper divisors (4458177).

10030869 is a wasteful number, since it uses less digits than its factorization.

10030869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114547 (or 1114544 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 10030869 is about 3167.1547167766. The cubic root of 10030869 is about 215.6649254361.

The spelling of 10030869 in words is "ten million, thirty thousand, eight hundred sixty-nine".

Divisors: 1 3 9 1114541 3343623 10030869