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38144516 = 2224139569
BaseRepresentation
bin1001000110000…
…0101000000100
32122202221102212
42101200220010
534231111031
63441322552
7642136334
oct221405004
978687385
1038144516
111a5935a3
1210936458
137b97127
1450cd0c4
15353712b
hex2460a04

38144516 has 12 divisors (see below), whose sum is σ = 67031580. Its totient is φ = 18992640.

The previous prime is 38144497. The next prime is 38144543. The reversal of 38144516 is 61544183.

It can be written as a sum of positive squares in 2 ways, for example, as 26214400 + 11930116 = 5120^2 + 3454^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18821 + ... + 20748.

It is an arithmetic number, because the mean of its divisors is an integer number (5585965).

Almost surely, 238144516 is an apocalyptic number.

It is an amenable number.

38144516 is a deficient number, since it is larger than the sum of its proper divisors (28887064).

38144516 is a wasteful number, since it uses less digits than its factorization.

38144516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39814 (or 39812 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 38144516 is about 6176.1246749074. The cubic root of 38144516 is about 336.6231938552.

Adding to 38144516 its reverse (61544183), we get a palindrome (99688699).

The spelling of 38144516 in words is "thirty-eight million, one hundred forty-four thousand, five hundred sixteen".

Divisors: 1 2 4 241 482 964 39569 79138 158276 9536129 19072258 38144516