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2393985 = 351121319
BaseRepresentation
bin1001001000011110000001
311111121221010
421020132001
51103101420
6123151133
726230356
oct11103601
94447833
102393985
111395700
129754a9
1365a879
1446462d
153244e0
hex248781

2393985 has 24 divisors (see below), whose sum is σ = 4213440. Its totient is φ = 1159840.

The previous prime is 2393971. The next prime is 2393987. The reversal of 2393985 is 5893932.

It is not a de Polignac number, because 2393985 - 27 = 2393857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2393987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1156 + ... + 2474.

It is an arithmetic number, because the mean of its divisors is an integer number (175560).

22393985 is an apocalyptic number.

It is an amenable number.

2393985 is a deficient number, since it is larger than the sum of its proper divisors (1819455).

2393985 is a wasteful number, since it uses less digits than its factorization.

2393985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349 (or 1338 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 2393985 is about 1547.2507876876. The cubic root of 2393985 is about 133.7746453551.

It can be divided in two parts, 239 and 3985, that added together give a palindrome (4224).

The spelling of 2393985 in words is "two million, three hundred ninety-three thousand, nine hundred eighty-five".

Divisors: 1 3 5 11 15 33 55 121 165 363 605 1319 1815 3957 6595 14509 19785 43527 72545 159599 217635 478797 797995 2393985