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15013242 = 233299587
BaseRepresentation
bin111001010001…
…010101111010
31001020202022000
4321101111322
512320410432
61253441430
7241416246
oct71212572
931222260
1015013242
118524742
125040276
13315869a
141dcb426
1514b857c
hexe5157a

15013242 has 32 divisors (see below), whose sum is σ = 34516800. Its totient is φ = 4831344.

The previous prime is 15013237. The next prime is 15013247. The reversal of 15013242 is 24231051.

It is an interprime number because it is at equal distance from previous prime (15013237) and next prime (15013247).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (15013247) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3228 + ... + 6359.

It is an arithmetic number, because the mean of its divisors is an integer number (1078650).

Almost surely, 215013242 is an apocalyptic number.

15013242 is an abundant number, since it is smaller than the sum of its proper divisors (19503558).

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

15013242 is a wasteful number, since it uses less digits than its factorization.

15013242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9627 (or 9621 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 15013242 is about 3874.6925039285. The cubic root of 15013242 is about 246.6937584885.

Adding to 15013242 its reverse (24231051), we get a palindrome (39244293).

The spelling of 15013242 in words is "fifteen million, thirteen thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 27 29 54 58 87 174 261 522 783 1566 9587 19174 28761 57522 86283 172566 258849 278023 517698 556046 834069 1668138 2502207 5004414 7506621 15013242