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3722113 = 23161831
BaseRepresentation
bin1110001100101110000001
321000002210001
432030232001
51423101423
6211440001
743431433
oct16145601
97002701
103722113
11211252a
1212b6001
13a04245
146cc653
154d7cad
hex38cb81

3722113 has 4 divisors (see below), whose sum is σ = 3883968. Its totient is φ = 3560260.

The previous prime is 3722101. The next prime is 3722129. The reversal of 3722113 is 3112273.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3112273 = 17917387.

It is a cyclic number.

It is not a de Polignac number, because 3722113 - 213 = 3713921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3722143) 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, 80893 + ... + 80938.

It is an arithmetic number, because the mean of its divisors is an integer number (970992).

Almost surely, 23722113 is an apocalyptic number.

It is an amenable number.

3722113 is a deficient number, since it is larger than the sum of its proper divisors (161855).

3722113 is a wasteful number, since it uses less digits than its factorization.

3722113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161854.

The product of its digits is 252, while the sum is 19.

The square root of 3722113 is about 1929.2778441686. The cubic root of 3722113 is about 154.9755493864.

Adding to 3722113 its reverse (3112273), we get a palindrome (6834386).

It can be divided in two parts, 372 and 2113, that added together give a triangular number (2485 = T70).

The spelling of 3722113 in words is "three million, seven hundred twenty-two thousand, one hundred thirteen".

Divisors: 1 23 161831 3722113