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3970733 = 13305441
BaseRepresentation
bin1111001001011010101101
321110201211012
433021122231
52004030413
6221035005
745515324
oct17113255
97421735
103970733
1122722a8
1213b5a65
13a90460
147550bb
155367a8
hex3c96ad

3970733 has 4 divisors (see below), whose sum is σ = 4276188. Its totient is φ = 3665280.

The previous prime is 3970723. The next prime is 3970739. The reversal of 3970733 is 3370793.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3370793 = 4771719.

It can be written as a sum of positive squares in 2 ways, for example, as 1605289 + 2365444 = 1267^2 + 1538^2 .

It is a cyclic number.

It is not a de Polignac number, because 3970733 - 210 = 3969709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3970733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3970739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152708 + ... + 152733.

It is an arithmetic number, because the mean of its divisors is an integer number (1069047).

Almost surely, 23970733 is an apocalyptic number.

It is an amenable number.

3970733 is a deficient number, since it is larger than the sum of its proper divisors (305455).

3970733 is a wasteful number, since it uses less digits than its factorization.

3970733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305454.

The product of its (nonzero) digits is 11907, while the sum is 32.

The square root of 3970733 is about 1992.6698171047. The cubic root of 3970733 is about 158.3520032155.

The spelling of 3970733 in words is "three million, nine hundred seventy thousand, seven hundred thirty-three".

Divisors: 1 13 305441 3970733