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10423829 = 13801833
BaseRepresentation
bin100111110000…
…111000010101
3201121120210202
4213300320111
510132030304
61011230245
7154413113
oct47607025
921546722
1010423829
11597a639
1235a8385
13220c760
141554ab3
15dad81e
hex9f0e15

10423829 has 4 divisors (see below), whose sum is σ = 11225676. Its totient is φ = 9621984.

The previous prime is 10423823. The next prime is 10423841. The reversal of 10423829 is 92832401.

10423829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92832401 = 139667859.

It can be written as a sum of positive squares in 2 ways, for example, as 2002225 + 8421604 = 1415^2 + 2902^2 .

It is a cyclic number.

It is not a de Polignac number, because 10423829 - 28 = 10423573 is a prime.

It is a super-2 number, since 2×104238292 = 217312422042482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10423823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400904 + ... + 400929.

It is an arithmetic number, because the mean of its divisors is an integer number (2806419).

Almost surely, 210423829 is an apocalyptic number.

It is an amenable number.

10423829 is a deficient number, since it is larger than the sum of its proper divisors (801847).

10423829 is an equidigital number, since it uses as much as digits as its factorization.

10423829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801846.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 10423829 is about 3228.5955150808. The cubic root of 10423829 is about 218.4451597120.

The spelling of 10423829 in words is "ten million, four hundred twenty-three thousand, eight hundred twenty-nine".

Divisors: 1 13 801833 10423829