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3956730 = 235131891
BaseRepresentation
bin1111000101111111111010
321110000121120
433011333322
52003103410
6220450110
745426441
oct17057772
97400546
103956730
112262828
1213a9936
13a86c7b
1474dd58
15532570
hex3c5ffa

3956730 has 16 divisors (see below), whose sum is σ = 9496224. Its totient is φ = 1055120.

The previous prime is 3956681. The next prime is 3956737. The reversal of 3956730 is 376593.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3956691 and 3956700.

It is not an unprimeable number, because it can be changed into a prime (3956737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65916 + ... + 65975.

It is an arithmetic number, because the mean of its divisors is an integer number (593514).

Almost surely, 23956730 is an apocalyptic number.

3956730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3956730 is an abundant number, since it is smaller than the sum of its proper divisors (5539494).

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

3956730 is a wasteful number, since it uses less digits than its factorization.

3956730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131901.

The product of its (nonzero) digits is 17010, while the sum is 33.

The square root of 3956730 is about 1989.1530861148. The cubic root of 3956730 is about 158.1656383960.

The spelling of 3956730 in words is "three million, nine hundred fifty-six thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 131891 263782 395673 659455 791346 1318910 1978365 3956730