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10072307 = 71438901
BaseRepresentation
bin100110011011…
…000011110011
3200221201121102
4212123003303
510034303212
6555515015
7151420220
oct46330363
920851542
1010072307
11575a523
123458a6b
13211875b
1414a2947
15d3e5c2
hex99b0f3

10072307 has 4 divisors (see below), whose sum is σ = 11511216. Its totient is φ = 8633400.

The previous prime is 10072301. The next prime is 10072319. The reversal of 10072307 is 70327001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70327001 = 292425069.

It is a cyclic number.

It is not a de Polignac number, because 10072307 - 24 = 10072291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10072301) by changing a digit.

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, 719444 + ... + 719457.

It is an arithmetic number, because the mean of its divisors is an integer number (2877804).

Almost surely, 210072307 is an apocalyptic number.

10072307 is a deficient number, since it is larger than the sum of its proper divisors (1438909).

10072307 is an equidigital number, since it uses as much as digits as its factorization.

10072307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438908.

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 10072307 is about 3173.6898084091. The cubic root of 10072307 is about 215.9614914776.

Adding to 10072307 its reverse (70327001), we get a palindrome (80399308).

The spelling of 10072307 in words is "ten million, seventy-two thousand, three hundred seven".

Divisors: 1 7 1438901 10072307