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3956706 = 2321337457
BaseRepresentation
bin1111000101111111100010
321110000120200
433011333202
52003103311
6220450030
745426405
oct17057742
97400520
103956706
112262806
1213a9916
13a86c60
1474dd3c
15532556
hex3c5fe2

3956706 has 48 divisors (see below), whose sum is σ = 9502584. Its totient is φ = 1181952.

The previous prime is 3956681. The next prime is 3956737. The reversal of 3956706 is 6076593.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3861225 + 95481 = 1965^2 + 309^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8430 + ... + 8886.

Almost surely, 23956706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3956706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4751292).

3956706 is an abundant number, since it is smaller than the sum of its proper divisors (5545878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3956706 is a wasteful number, since it uses less digits than its factorization.

3956706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 3956706 is about 1989.1470533875. The cubic root of 3956706 is about 158.1653186048.

The spelling of 3956706 in words is "three million, nine hundred fifty-six thousand, seven hundred six".

Divisors: 1 2 3 6 9 13 18 26 37 39 74 78 111 117 222 234 333 457 481 666 914 962 1371 1443 2742 2886 4113 4329 5941 8226 8658 11882 16909 17823 33818 35646 50727 53469 101454 106938 152181 219817 304362 439634 659451 1318902 1978353 3956706