Search a number
-
+
2038101408 = 253276779191
BaseRepresentation
bin111100101111010…
…1111010110100000
312021001001021112100
41321132233112200
513133223221113
6534123330400
7101335401420
oct17136572640
95231037470
102038101408
11956500832
1248a680a00
13266327985
14154976480
15bdddbd73
hex797af5a0

2038101408 has 288 divisors, whose sum is σ = 6843432960. Its totient is φ = 563397120.

The previous prime is 2038101407. The next prime is 2038101413. The reversal of 2038101408 is 8041018302.

It is a tau number, because it is divible by the number of its divisors (288).

It is not an unprimeable number, because it can be changed into a prime (2038101407) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10670593 + ... + 10670783.

It is an arithmetic number, because the mean of its divisors is an integer number (23761920).

Almost surely, 22038101408 is an apocalyptic number.

2038101408 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2038101408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3421716480).

2038101408 is an abundant number, since it is smaller than the sum of its proper divisors (4805331552).

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

2038101408 is a wasteful number, since it uses less digits than its factorization.

2038101408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 2038101408 is about 45145.3365033422. The cubic root of 2038101408 is about 1267.8715682928.

The spelling of 2038101408 in words is "two billion, thirty-eight million, one hundred one thousand, four hundred eight".