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3755425921 = 131543187219
BaseRepresentation
bin1101111111010111…
…0100000010000001
3100200201111101212221
43133311310002001
530142342112141
61420351451041
7162030410422
oct33765640201
910621441787
103755425921
111657927095
12889826a81
1347b05b920
14278a8b649
1516ea63bd1
hexdfd74081

3755425921 has 8 divisors (see below), whose sum is σ = 4046947520. Its totient is φ = 3464281872.

The previous prime is 3755425903. The next prime is 3755425931. The reversal of 3755425921 is 1295245573.

It is a happy number.

3755425921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3755425921 - 211 = 3755423873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3755425931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73551 + ... + 113668.

It is an arithmetic number, because the mean of its divisors is an integer number (505868440).

Almost surely, 23755425921 is an apocalyptic number.

It is an amenable number.

3755425921 is a deficient number, since it is larger than the sum of its proper divisors (291521599).

3755425921 is a wasteful number, since it uses less digits than its factorization.

3755425921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188775.

The product of its digits is 378000, while the sum is 43.

The square root of 3755425921 is about 61281.5300151685. The cubic root of 3755425921 is about 1554.3652073406.

The spelling of 3755425921 in words is "three billion, seven hundred fifty-five million, four hundred twenty-five thousand, nine hundred twenty-one".

Divisors: 1 13 1543 20059 187219 2433847 288878917 3755425921