15082420 has 12 divisors (see below), whose sum is σ = 31673124. Its totient is φ = 6032960.

The previous prime is 15082391. The next prime is 15082469. The reversal of 15082420 is 2428051.

15082420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8259876 + 6822544 = 2874^2 + 2612^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15082391 and 15082400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377041 + ... + 377080.

It is an arithmetic number, because the mean of its divisors is an integer number (2639427).

Almost surely, 2^15082420 is an apocalyptic number.

15082420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15082420 is an abundant number, since it is smaller than the sum of its proper divisors (16590704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15082420 is a wasteful number, since it uses less digits than its factorization.

15082420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754130 (or 754128 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 15082420 is about 3883.6091461423. The cubic root of 15082420 is about 247.0720830774.

The spelling of 15082420 in words is "fifteen million, eighty-two thousand, four hundred twenty".