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4245961 = 23184607
BaseRepresentation
bin10000001100100111001001
321222201100211
4100030213021
52041332321
6231001121
751042616
oct20144711
97881324
104245961
112440065
1215091a1
13b58805
147c750d
1558d0e1
hex40c9c9

4245961 has 4 divisors (see below), whose sum is σ = 4430592. Its totient is φ = 4061332.

The previous prime is 4245947. The next prime is 4245973. The reversal of 4245961 is 1695424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4245961 - 25 = 4245929 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

4245961 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4245361) 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, 92281 + ... + 92326.

It is an arithmetic number, because the mean of its divisors is an integer number (1107648).

Almost surely, 24245961 is an apocalyptic number.

It is an amenable number.

4245961 is a deficient number, since it is larger than the sum of its proper divisors (184631).

4245961 is a wasteful number, since it uses less digits than its factorization.

4245961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184630.

The product of its digits is 8640, while the sum is 31.

The square root of 4245961 is about 2060.5729785669. The cubic root of 4245961 is about 161.9292608901.

The spelling of 4245961 in words is "four million, two hundred forty-five thousand, nine hundred sixty-one".

Divisors: 1 23 184607 4245961