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15140022 = 232523337
BaseRepresentation
bin111001110000…
…010010110110
31001111012012120
4321300102312
512333440042
61300300410
7242455002
oct71602266
931435176
1015140022
118600a17
1250a1706
1331a12c1
142021702
1514e0dec
hexe704b6

15140022 has 8 divisors (see below), whose sum is σ = 30280056. Its totient is φ = 5046672.

The previous prime is 15140011. The next prime is 15140023. The reversal of 15140022 is 22004151.

15140022 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

15140022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 15139983 and 15140010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15140023) 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, 1261663 + ... + 1261674.

It is an arithmetic number, because the mean of its divisors is an integer number (3785007).

Almost surely, 215140022 is an apocalyptic number.

15140022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

15140022 is a wasteful number, since it uses less digits than its factorization.

15140022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523342.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 15140022 is about 3891.0181186934. The cubic root of 15140022 is about 247.3862184887.

Adding to 15140022 its reverse (22004151), we get a palindrome (37144173).

The spelling of 15140022 in words is "fifteen million, one hundred forty thousand, twenty-two".

Divisors: 1 2 3 6 2523337 5046674 7570011 15140022