Search a number
-
+
3953790149 = 4357907457
BaseRepresentation
bin1110101110101010…
…0000110011000101
3101012112202100110012
43223222200303011
531044132241044
61452155240005
7166656442661
oct35352406305
911175670405
103953790149
1117498a2071
12924149005
134b01924ca
142971658a1
1518219859e
hexebaa0cc5

3953790149 has 4 divisors (see below), whose sum is σ = 3954701964. Its totient is φ = 3952878336.

The previous prime is 3953790143. The next prime is 3953790151. The reversal of 3953790149 is 9410973593.

3953790149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2485521025 + 1468269124 = 49855^2 + 38318^2 .

It is a cyclic number.

It is not a de Polignac number, because 3953790149 - 28 = 3953789893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3953790097 and 3953790106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3953790143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449372 + ... + 458085.

It is an arithmetic number, because the mean of its divisors is an integer number (988675491).

Almost surely, 23953790149 is an apocalyptic number.

It is an amenable number.

3953790149 is a deficient number, since it is larger than the sum of its proper divisors (911815).

3953790149 is an equidigital number, since it uses as much as digits as its factorization.

3953790149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911814.

The product of its (nonzero) digits is 918540, while the sum is 50.

The square root of 3953790149 is about 62879.1710266603. The cubic root of 3953790149 is about 1581.2645632575.

The spelling of 3953790149 in words is "three billion, nine hundred fifty-three million, seven hundred ninety thousand, one hundred forty-nine".

Divisors: 1 4357 907457 3953790149