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4250691 = 33157433
BaseRepresentation
bin10000001101110001000011
321222221212000
4100031301003
52042010231
6231035043
751062454
oct20156103
97887760
104250691
112443675
12150ba83
13b5aa03
147c912b
1558e6e6
hex40dc43

4250691 has 8 divisors (see below), whose sum is σ = 6297360. Its totient is φ = 2833776.

The previous prime is 4250657. The next prime is 4250711. The reversal of 4250691 is 1960524.

It is not a de Polignac number, because 4250691 - 29 = 4250179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 157433 = 4250691 / (4 + 2 + 5 + 0 + 6 + 9 + 1).

It is not an unprimeable number, because it can be changed into a prime (4250611) 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, 78690 + ... + 78743.

It is an arithmetic number, because the mean of its divisors is an integer number (787170).

Almost surely, 24250691 is an apocalyptic number.

4250691 is a deficient number, since it is larger than the sum of its proper divisors (2046669).

4250691 is a wasteful number, since it uses less digits than its factorization.

4250691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157442 (or 157436 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 4250691 is about 2061.7203981142. The cubic root of 4250691 is about 161.9893683009.

The spelling of 4250691 in words is "four million, two hundred fifty thousand, six hundred ninety-one".

Divisors: 1 3 9 27 157433 472299 1416897 4250691