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10031929 is a prime number
BaseRepresentation
bin100110010001…
…001100111001
3200212200012221
4212101030321
510032010204
6555004041
7151161415
oct46211471
920780187
1010031929
115732156
123439621
13210326b
141491d45
15d32654
hex991339

10031929 has 2 divisors, whose sum is σ = 10031930. Its totient is φ = 10031928.

The previous prime is 10031911. The next prime is 10031939. The reversal of 10031929 is 92913001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8526400 + 1505529 = 2920^2 + 1227^2 .

It is an emirp because it is prime and its reverse (92913001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10031929 - 25 = 10031897 is a prime.

It is a super-2 number, since 2×100319292 = 201279198922082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10031909) 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 as a sum of consecutive naturals, namely, 5015964 + 5015965.

It is an arithmetic number, because the mean of its divisors is an integer number (5015965).

Almost surely, 210031929 is an apocalyptic number.

It is an amenable number.

10031929 is a deficient number, since it is larger than the sum of its proper divisors (1).

10031929 is an equidigital number, since it uses as much as digits as its factorization.

10031929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 10031929 is about 3167.3220549859. The cubic root of 10031929 is about 215.6725218790.

The spelling of 10031929 in words is "ten million, thirty-one thousand, nine hundred twenty-nine".