Search a number
-
+
38490225797 = 3110911138057
BaseRepresentation
bin100011110110001100…
…100011110010000101
310200100110011001122102
4203312030203302011
51112311444211142
625403203041445
72531552343512
oct436614436205
9120313131572
1038490225797
1115361802371
127562370285
13382534a44a
141c11c82309
1510041ab532
hex8f6323c85

38490225797 has 8 divisors (see below), whose sum is σ = 39768298752. Its totient is φ = 37214431200.

The previous prime is 38490225773. The next prime is 38490225799. The reversal of 38490225797 is 79752209483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38490225797 - 214 = 38490209413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38490225799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535208 + ... + 602849.

It is an arithmetic number, because the mean of its divisors is an integer number (4971037344).

Almost surely, 238490225797 is an apocalyptic number.

It is an amenable number.

38490225797 is a deficient number, since it is larger than the sum of its proper divisors (1278072955).

38490225797 is a wasteful number, since it uses less digits than its factorization.

38490225797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139179.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 38490225797 in words is "thirty-eight billion, four hundred ninety million, two hundred twenty-five thousand, seven hundred ninety-seven".

Divisors: 1 31 1091 33821 1138057 35279767 1241620187 38490225797