Search a number
-
+
245912200 = 23521229561
BaseRepresentation
bin11101010100001…
…01001010001000
3122010201122010021
432222011022020
51000423142300
640222430224
76044135122
oct1652051210
9563648107
10245912200
111168a1526
126a432374
133bc40ba1
1424934212
15168c7d1a
hexea85288

245912200 has 24 divisors (see below), whose sum is σ = 571746330. Its totient is φ = 98364800.

The previous prime is 245912197. The next prime is 245912203. The reversal of 245912200 is 2219542.

245912200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (245912197) and next prime (245912203).

It can be written as a sum of positive squares in 3 ways, for example, as 135536164 + 110376036 = 11642^2 + 10506^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (245912203) 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, 614581 + ... + 614980.

Almost surely, 2245912200 is an apocalyptic number.

245912200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245912200 is an abundant number, since it is smaller than the sum of its proper divisors (325834130).

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

245912200 is a wasteful number, since it uses less digits than its factorization.

245912200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229577 (or 1229568 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 245912200 is about 15681.5879297984. The cubic root of 245912200 is about 626.5081020781.

The spelling of 245912200 in words is "two hundred forty-five million, nine hundred twelve thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 1229561 2459122 4918244 6147805 9836488 12295610 24591220 30739025 49182440 61478050 122956100 245912200