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10072841 = 71141871
BaseRepresentation
bin100110011011…
…001100001001
3200221202100012
4212123030021
510034312331
6555521305
7151421612
oct46331411
920852305
1010072841
11575a969
123459235
132118a7c
1414a2c09
15d3e82b
hex99b309

10072841 has 4 divisors (see below), whose sum is σ = 10214784. Its totient is φ = 9930900.

The previous prime is 10072837. The next prime is 10072871. The reversal of 10072841 is 14827001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10072841 - 22 = 10072837 is a prime.

It is a super-2 number, since 2×100728412 = 202924251622562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10072871) 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, 70865 + ... + 71006.

It is an arithmetic number, because the mean of its divisors is an integer number (2553696).

Almost surely, 210072841 is an apocalyptic number.

It is an amenable number.

10072841 is a deficient number, since it is larger than the sum of its proper divisors (141943).

10072841 is an equidigital number, since it uses as much as digits as its factorization.

10072841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141942.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 10072841 is about 3173.7739364989. The cubic root of 10072841 is about 215.9653079286.

Adding to 10072841 its reverse (14827001), we get a palindrome (24899842).

The spelling of 10072841 in words is "ten million, seventy-two thousand, eight hundred forty-one".

Divisors: 1 71 141871 10072841