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245272236 = 2231110917047
BaseRepresentation
bin11101001111010…
…00111010101100
3122002112010020220
432213220322230
51000242202421
640201011340
76035531256
oct1647507254
9562463226
10245272236
111164a4730
126a183b50
133ba78801
1424808cd6
15167ed3c6
hexe9e8eac

245272236 has 48 divisors (see below), whose sum is σ = 630094080. Its totient is φ = 73638720.

The previous prime is 245272231. The next prime is 245272241. The reversal of 245272236 is 632272542.

It is an interprime number because it is at equal distance from previous prime (245272231) and next prime (245272241).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 245272197 and 245272206.

It is not an unprimeable number, because it can be changed into a prime (245272231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5865 + ... + 22911.

It is an arithmetic number, because the mean of its divisors is an integer number (13126960).

Almost surely, 2245272236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245272236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315047040).

245272236 is an abundant number, since it is smaller than the sum of its proper divisors (384821844).

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

245272236 is a wasteful number, since it uses less digits than its factorization.

245272236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17174 (or 17172 counting only the distinct ones).

The product of its digits is 40320, while the sum is 33.

The square root of 245272236 is about 15661.1696881172. The cubic root of 245272236 is about 625.9641532754.

The spelling of 245272236 in words is "two hundred forty-five million, two hundred seventy-two thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 109 132 218 327 436 654 1199 1308 2398 3597 4796 7194 14388 17047 34094 51141 68188 102282 187517 204564 375034 562551 750068 1125102 1858123 2250204 3716246 5574369 7432492 11148738 20439353 22297476 40878706 61318059 81757412 122636118 245272236