Search a number
-
+
245136164 = 22713673451
BaseRepresentation
bin11101001110001…
…11101100100100
3122002021012121012
432213013230210
51000223324124
640154041352
76034423460
oct1647075444
9562235535
10245136164
11116411479
126a119258
133ba2b8b0
14247b14a0
15167c2e0e
hexe9c7b24

245136164 has 24 divisors (see below), whose sum is σ = 527986368. Its totient is φ = 96976800.

The previous prime is 245136149. The next prime is 245136167. The reversal of 245136164 is 461631542.

It is a super-4 number, since 4×2451361644 (a number of 35 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 245136164.

It is not an unprimeable number, because it can be changed into a prime (245136167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336362 + ... + 337089.

It is an arithmetic number, because the mean of its divisors is an integer number (21999432).

Almost surely, 2245136164 is an apocalyptic number.

It is an amenable number.

245136164 is an abundant number, since it is smaller than the sum of its proper divisors (282850204).

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

245136164 is a wasteful number, since it uses less digits than its factorization.

245136164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673475 (or 673473 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 245136164 is about 15656.8248377505. The cubic root of 245136164 is about 625.8483745094.

The spelling of 245136164 in words is "two hundred forty-five million, one hundred thirty-six thousand, one hundred sixty-four".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 673451 1346902 2693804 4714157 8754863 9428314 17509726 18856628 35019452 61284041 122568082 245136164