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4625643 = 311140171
BaseRepresentation
bin10001101001010011101011
322201000012010
4101221103223
52141010033
6243051003
754213561
oct21512353
98630163
104625643
11267a350
121670a63
13c5c589
14885a31
15615863
hex4694eb

4625643 has 8 divisors (see below), whose sum is σ = 6728256. Its totient is φ = 2803400.

The previous prime is 4625641. The next prime is 4625651. The reversal of 4625643 is 3465264.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4625643 - 21 = 4625641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4625643.

It is not an unprimeable number, because it can be changed into a prime (4625641) 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, 70053 + ... + 70118.

It is an arithmetic number, because the mean of its divisors is an integer number (841032).

Almost surely, 24625643 is an apocalyptic number.

4625643 is a deficient number, since it is larger than the sum of its proper divisors (2102613).

4625643 is a wasteful number, since it uses less digits than its factorization.

4625643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140185.

The product of its digits is 17280, while the sum is 30.

The square root of 4625643 is about 2150.7308060285. The cubic root of 4625643 is about 166.6188133728.

It can be divided in two parts, 462 and 5643, that added together give a triangular number (6105 = T110).

The spelling of 4625643 in words is "four million, six hundred twenty-five thousand, six hundred forty-three".

Divisors: 1 3 11 33 140171 420513 1541881 4625643