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3970433 = 37107309
BaseRepresentation
bin1111001001010110000001
321110201102002
433021112001
52004023213
6221033345
745514415
oct17112601
97421362
103970433
112272055
1213b5855
13a9028c
14754d45
15536658
hex3c9581

3970433 has 4 divisors (see below), whose sum is σ = 4077780. Its totient is φ = 3863088.

The previous prime is 3970423. The next prime is 3970441. The reversal of 3970433 is 3340793.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3340793 = 8937537.

It can be written as a sum of positive squares in 2 ways, for example, as 2166784 + 1803649 = 1472^2 + 1343^2 .

It is a cyclic number.

It is not a de Polignac number, because 3970433 - 216 = 3904897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3970396 and 3970405.

It is not an unprimeable number, because it can be changed into a prime (3970423) 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, 53618 + ... + 53691.

It is an arithmetic number, because the mean of its divisors is an integer number (1019445).

Almost surely, 23970433 is an apocalyptic number.

It is an amenable number.

3970433 is a deficient number, since it is larger than the sum of its proper divisors (107347).

3970433 is a wasteful number, since it uses less digits than its factorization.

3970433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107346.

The product of its (nonzero) digits is 6804, while the sum is 29.

The square root of 3970433 is about 1992.5945397898. The cubic root of 3970433 is about 158.3480151359.

The spelling of 3970433 in words is "three million, nine hundred seventy thousand, four hundred thirty-three".

Divisors: 1 37 107309 3970433