Search a number
-
+
20374600 = 2352101873
BaseRepresentation
bin100110110111…
…0010001001000
31102100010200211
41031232101020
520203441400
62004410504
7335116111
oct115562110
942303624
1020374600
1110556814
1269a6a34
1342b4a9c
1429c5208
151bc6dba
hex136e448

20374600 has 24 divisors (see below), whose sum is σ = 47371410. Its totient is φ = 8149760.

The previous prime is 20374583. The next prime is 20374603. The reversal of 20374600 is 647302.

It can be written as a sum of positive squares in 3 ways, for example, as 12068676 + 8305924 = 3474^2 + 2882^2 .

It is not an unprimeable number, because it can be changed into a prime (20374603) 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 5 ways as a sum of consecutive naturals, for example, 50737 + ... + 51136.

Almost surely, 220374600 is an apocalyptic number.

20374600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20374600 is an abundant number, since it is smaller than the sum of its proper divisors (26996810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20374600 is a wasteful number, since it uses less digits than its factorization.

20374600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101889 (or 101880 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 20374600 is about 4513.8232131974. The cubic root of 20374600 is about 273.1259912131.

The spelling of 20374600 in words is "twenty million, three hundred seventy-four thousand, six hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 101873 203746 407492 509365 814984 1018730 2037460 2546825 4074920 5093650 10187300 20374600