Search a number
-
+
245688276 = 22320474023
BaseRepresentation
bin11101010010011…
…10011111010100
3122010022020221210
432221032133110
51000344011101
640213541420
76042213231
oct1651163724
9563266853
10245688276
11116759269
126a344870
133bb92ca2
14248b6788
15168817d6
hexea4e7d4

245688276 has 12 divisors (see below), whose sum is σ = 573272672. Its totient is φ = 81896088.

The previous prime is 245688271. The next prime is 245688281. The reversal of 245688276 is 672886542.

It is an interprime number because it is at equal distance from previous prime (245688271) and next prime (245688281).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245688271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10237000 + ... + 10237023.

Almost surely, 2245688276 is an apocalyptic number.

It is an amenable number.

245688276 is an abundant number, since it is smaller than the sum of its proper divisors (327584396).

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

245688276 is a wasteful number, since it uses less digits than its factorization.

245688276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20474030 (or 20474028 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The square root of 245688276 is about 15674.4465931018. The cubic root of 245688276 is about 626.3178813355.

The spelling of 245688276 in words is "two hundred forty-five million, six hundred eighty-eight thousand, two hundred seventy-six".

Divisors: 1 2 3 4 6 12 20474023 40948046 61422069 81896092 122844138 245688276