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10072669 = 70114369
BaseRepresentation
bin100110011011…
…001001011101
3200221202002211
4212123021131
510034311134
6555520421
7151421245
oct46331135
920852084
1010072669
11575a822
123459111
132118979
1414a2b25
15d3e764
hex99b25d

10072669 has 4 divisors (see below), whose sum is σ = 10087740. Its totient is φ = 10057600.

The previous prime is 10072663. The next prime is 10072681. The reversal of 10072669 is 96627001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7496644 + 2576025 = 2738^2 + 1605^2 .

It is a cyclic number.

It is not a de Polignac number, because 10072669 - 29 = 10072157 is a prime.

It is a super-2 number, since 2×100726692 = 202917321567122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10072669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10072663) 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, 6484 + ... + 7885.

It is an arithmetic number, because the mean of its divisors is an integer number (2521935).

Almost surely, 210072669 is an apocalyptic number.

It is an amenable number.

10072669 is a deficient number, since it is larger than the sum of its proper divisors (15071).

10072669 is an equidigital number, since it uses as much as digits as its factorization.

10072669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15070.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 10072669 is about 3173.7468393052. The cubic root of 10072669 is about 215.9640786744.

The spelling of 10072669 in words is "ten million, seventy-two thousand, six hundred sixty-nine".

Divisors: 1 701 14369 10072669