Search a number
-
+
245146552 = 23721120747
BaseRepresentation
bin11101001110010…
…10001110111000
3122002021201211221
432213022032320
51000224142202
640154201424
76034465660
oct1647121670
9562251757
10245146552
11116419262
126a123274
133ba33541
14247b51a0
15167c6037
hexe9ca3b8

245146552 has 32 divisors (see below), whose sum is σ = 527829120. Its totient is φ = 104559840.

The previous prime is 245146549. The next prime is 245146589. The reversal of 245146552 is 255641542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1443 + ... + 22189.

It is an arithmetic number, because the mean of its divisors is an integer number (16494660).

Almost surely, 2245146552 is an apocalyptic number.

It is an amenable number.

245146552 is an abundant number, since it is smaller than the sum of its proper divisors (282682568).

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

245146552 is a wasteful number, since it uses less digits than its factorization.

245146552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20971 (or 20967 counting only the distinct ones).

The product of its digits is 48000, while the sum is 34.

The square root of 245146552 is about 15657.1565745508. The cubic root of 245146552 is about 625.8572147950.

The spelling of 245146552 in words is "two hundred forty-five million, one hundred forty-six thousand, five hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 56 211 422 844 1477 1688 2954 5908 11816 20747 41494 82988 145229 165976 290458 580916 1161832 4377617 8755234 17510468 30643319 35020936 61286638 122573276 245146552