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38816036 = 2272296829
BaseRepresentation
bin1001010000010…
…0100100100100
32201001001120222
42110010210210
534414103121
63503543512
7650634200
oct224044444
981031528
1038816036
111aa02076
1210bbab98
13807098c
145225b00
15361b0ab
hex2504924

38816036 has 36 divisors (see below), whose sum is σ = 81755100. Its totient is φ = 16059456.

The previous prime is 38816033. The next prime is 38816051. The reversal of 38816036 is 63061883.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20702500 + 18113536 = 4550^2 + 4256^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38815987 and 38816005.

It is not an unprimeable number, because it can be changed into a prime (38816033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2270 + ... + 9098.

It is an arithmetic number, because the mean of its divisors is an integer number (2270975).

Almost surely, 238816036 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 38816036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40877550).

38816036 is an abundant number, since it is smaller than the sum of its proper divisors (42939064).

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

38816036 is a wasteful number, since it uses less digits than its factorization.

38816036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6876 (or 6867 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 38816036 is about 6230.2516803096. The cubic root of 38816036 is about 338.5870893244.

The spelling of 38816036 in words is "thirty-eight million, eight hundred sixteen thousand, thirty-six".

Divisors: 1 2 4 7 14 28 29 49 58 98 116 196 203 406 812 1421 2842 5684 6829 13658 27316 47803 95606 191212 198041 334621 396082 669242 792164 1338484 1386287 2772574 5545148 9704009 19408018 38816036