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15340028 = 2211348637
BaseRepresentation
bin111010100001…
…000111111100
31001212100120012
4322201013330
512411340103
61304442352
7244250054
oct72410774
931770505
1015340028
118728210
1251793b8
133241352
142074564
1515302d8
hexea11fc

15340028 has 12 divisors (see below), whose sum is σ = 29285592. Its totient is φ = 6972720.

The previous prime is 15340007. The next prime is 15340033. The reversal of 15340028 is 82004351.

It is a junction number, because it is equal to n+sod(n) for n = 15339985 and 15340012.

It is a congruent number.

It is an unprimeable number.

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, 174275 + ... + 174362.

It is an arithmetic number, because the mean of its divisors is an integer number (2440466).

Almost surely, 215340028 is an apocalyptic number.

It is an amenable number.

15340028 is a deficient number, since it is larger than the sum of its proper divisors (13945564).

15340028 is a wasteful number, since it uses less digits than its factorization.

15340028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348652 (or 348650 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 15340028 is about 3916.6347800120. The cubic root of 15340028 is about 248.4708147748.

Adding to 15340028 its reverse (82004351), we get a palindrome (97344379).

It can be divided in two parts, 15 and 340028, that added together give a palindrome (340043).

The spelling of 15340028 in words is "fifteen million, three hundred forty thousand, twenty-eight".

Divisors: 1 2 4 11 22 44 348637 697274 1394548 3835007 7670014 15340028