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16240136 = 2311219883
BaseRepresentation
bin111101111100…
…111000001000
31010120002021112
4331330320020
513124141021
61340025452
7255016223
oct75747010
933502245
1016240136
119192500
125532288
133497c63
14222a5ba
15165bd5b
hexf7ce08

16240136 has 48 divisors (see below), whose sum is σ = 35271600. Its totient is φ = 6985440.

The previous prime is 16240127. The next prime is 16240153. The reversal of 16240136 is 63104261.

It is a happy 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 11 ways as a sum of consecutive naturals, for example, 17951 + ... + 18833.

It is an arithmetic number, because the mean of its divisors is an integer number (734825).

Almost surely, 216240136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16240136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17635800).

16240136 is an abundant number, since it is smaller than the sum of its proper divisors (19031464).

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

16240136 is a wasteful number, since it uses less digits than its factorization.

16240136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930 (or 915 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 16240136 is about 4029.9052098033. The cubic root of 16240136 is about 253.2385903029.

Adding to 16240136 its reverse (63104261), we get a palindrome (79344397).

The spelling of 16240136 in words is "sixteen million, two hundred forty thousand, one hundred thirty-six".

Divisors: 1 2 4 8 11 19 22 38 44 76 88 121 152 209 242 418 484 836 883 968 1672 1766 2299 3532 4598 7064 9196 9713 16777 18392 19426 33554 38852 67108 77704 106843 134216 184547 213686 369094 427372 738188 854744 1476376 2030017 4060034 8120068 16240136