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4874985 = 34512037
BaseRepresentation
bin10010100110001011101001
3100011200020000
4102212023221
52221444420
6252253213
756302533
oct22461351
910150200
104874985
11282a715
121771209
131018c0b
1490c853
15664690
hex4a62e9

4874985 has 20 divisors (see below), whose sum is σ = 8739588. Its totient is φ = 2599776.

The previous prime is 4874983. The next prime is 4874999. The reversal of 4874985 is 5894784.

It can be written as a sum of positive squares in 2 ways, for example, as 627264 + 4247721 = 792^2 + 2061^2 .

It is not a de Polignac number, because 4874985 - 21 = 4874983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4874985.

It is not an unprimeable number, because it can be changed into a prime (4874983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5614 + ... + 6423.

Almost surely, 24874985 is an apocalyptic number.

4874985 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4874985 is a deficient number, since it is larger than the sum of its proper divisors (3864603).

4874985 is a wasteful number, since it uses less digits than its factorization.

4874985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12054 (or 12045 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 4874985 is about 2207.9368197482. The cubic root of 4874985 is about 169.5603982423.

The spelling of 4874985 in words is "four million, eight hundred seventy-four thousand, nine hundred eighty-five".

Divisors: 1 3 5 9 15 27 45 81 135 405 12037 36111 60185 108333 180555 324999 541665 974997 1624995 4874985