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2002245623 = 72571112977
BaseRepresentation
bin111011101010111…
…1101011111110111
312011112120121122022
41313111331133313
513100033324443
6530403023355
7100421543540
oct16725753767
95145517568
102002245623
11938240854
1247a66ab5b
1325ba82531
1414dcc14c7
15baba7e68
hex7757d7f7

2002245623 has 8 divisors (see below), whose sum is σ = 2297186592. Its totient is φ = 1709531136.

The previous prime is 2002245589. The next prime is 2002245643. The reversal of 2002245623 is 3265422002.

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 2002245623 - 26 = 2002245559 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002245592 and 2002245601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002245643) 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, 554690 + ... + 558287.

It is an arithmetic number, because the mean of its divisors is an integer number (287148324).

Almost surely, 22002245623 is an apocalyptic number.

2002245623 is a deficient number, since it is larger than the sum of its proper divisors (294940969).

2002245623 is a wasteful number, since it uses less digits than its factorization.

2002245623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113241.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 2002245623 is about 44746.4593347898. The cubic root of 2002245623 is about 1260.3924247985.

Adding to 2002245623 its reverse (3265422002), we get a palindrome (5267667625).

The spelling of 2002245623 in words is "two billion, two million, two hundred forty-five thousand, six hundred twenty-three".

Divisors: 1 7 257 1799 1112977 7790839 286035089 2002245623