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3960693 = 321123637
BaseRepresentation
bin1111000110111101110101
321110020001100
433012331311
52003220233
6220520313
745444132
oct17067565
97406040
103960693
112265800
1213b0099
13a88a09
14751589
15533813
hex3c6f75

3960693 has 18 divisors (see below), whose sum is σ = 6290102. Its totient is φ = 2399760.

The previous prime is 3960689. The next prime is 3960701.

3960693 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 2304324 + 1656369 = 1518^2 + 1287^2 .

It is not a de Polignac number, because 3960693 - 22 = 3960689 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3960613) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 730 + ... + 2907.

Almost surely, 23960693 is an apocalyptic number.

3960693 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3960693 is a deficient number, since it is larger than the sum of its proper divisors (2329409).

3960693 is a wasteful number, since it uses less digits than its factorization.

3960693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3665 (or 3651 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 36.

The square root of 3960693 is about 1990.1489893975. The cubic root of 3960693 is about 158.2184262009.

The spelling of 3960693 in words is "three million, nine hundred sixty thousand, six hundred ninety-three".

Divisors: 1 3 9 11 33 99 121 363 1089 3637 10911 32733 40007 120021 360063 440077 1320231 3960693