Search a number
-
+
38498988 = 22311535503
BaseRepresentation
bin1001001011011…
…1001010101100
32200102221200110
42102313022230
534323431423
63453100020
7645143643
oct222671254
980387613
1038498988
111a805950
1210a87610
137c8c588
14518235a
1535a7193
hex24b72ac

38498988 has 48 divisors (see below), whose sum is σ = 99864576. Its totient is φ = 11444160.

The previous prime is 38498963. The next prime is 38499007. The reversal of 38498988 is 88989483.

38498988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 4245 + ... + 9747.

It is an arithmetic number, because the mean of its divisors is an integer number (2080512).

Almost surely, 238498988 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 38498988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49932288).

38498988 is an abundant number, since it is smaller than the sum of its proper divisors (61365588).

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

38498988 is a wasteful number, since it uses less digits than its factorization.

38498988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5574 (or 5572 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 57.

The square root of 38498988 is about 6204.7552731756. The cubic root of 38498988 is about 337.6627122143.

The spelling of 38498988 in words is "thirty-eight million, four hundred ninety-eight thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 53 66 106 132 159 212 318 583 636 1166 1749 2332 3498 5503 6996 11006 16509 22012 33018 60533 66036 121066 181599 242132 291659 363198 583318 726396 874977 1166636 1749954 3208249 3499908 6416498 9624747 12832996 19249494 38498988