Search a number
-
+
1513485 = 34537101
BaseRepresentation
bin101110001100000001101
32211220010000
411301200031
5341412420
652234513
715602331
oct5614015
92756100
101513485
11944116
1260ba39
1340cb6c
142b57c1
151ed690
hex17180d

1513485 has 40 divisors (see below), whose sum is σ = 2813976. Its totient is φ = 777600.

The previous prime is 1513453. The next prime is 1513487. The reversal of 1513485 is 5843151.

It can be written as a sum of positive squares in 4 ways, for example, as 842724 + 670761 = 918^2 + 819^2 .

It is not a de Polignac number, because 1513485 - 25 = 1513453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

1513485 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513487) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14935 + ... + 15035.

21513485 is an apocalyptic number.

1513485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1513485 is a deficient number, since it is larger than the sum of its proper divisors (1300491).

1513485 is a wasteful number, since it uses less digits than its factorization.

1513485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 146 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 1513485 is about 1230.2377818942. The cubic root of 1513485 is about 114.8134341055.

The spelling of 1513485 in words is "one million, five hundred thirteen thousand, four hundred eighty-five".

Divisors: 1 3 5 9 15 27 37 45 81 101 111 135 185 303 333 405 505 555 909 999 1515 1665 2727 2997 3737 4545 4995 8181 11211 13635 14985 18685 33633 40905 56055 100899 168165 302697 504495 1513485