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230482540 = 225192326371
BaseRepresentation
bin11011011110011…
…10001001101100
3121001200201121101
431233032021230
5433000420130
634512012444
75466032521
oct1557161154
9531621541
10230482540
11109112a42
1265231124
133899ab02
1422879148
151537b1ca
hexdbce26c

230482540 has 48 divisors (see below), whose sum is σ = 531659520. Its totient is φ = 83540160.

The previous prime is 230482513. The next prime is 230482541. The reversal of 230482540 is 45284032.

It is a junction number, because it is equal to n+sod(n) for n = 230482499 and 230482508.

It is not an unprimeable number, because it can be changed into a prime (230482541) 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, 4446 + ... + 21925.

It is an arithmetic number, because the mean of its divisors is an integer number (11076240).

Almost surely, 2230482540 is an apocalyptic number.

230482540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230482540 is an abundant number, since it is smaller than the sum of its proper divisors (301176980).

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

230482540 is a wasteful number, since it uses less digits than its factorization.

230482540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26422 (or 26420 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 230482540 is about 15181.6514253226. The cubic root of 230482540 is about 613.1207445594.

The spelling of 230482540 in words is "two hundred thirty million, four hundred eighty-two thousand, five hundred forty".

Divisors: 1 2 4 5 10 19 20 23 38 46 76 92 95 115 190 230 380 437 460 874 1748 2185 4370 8740 26371 52742 105484 131855 263710 501049 527420 606533 1002098 1213066 2004196 2426132 2505245 3032665 5010490 6065330 10020980 11524127 12130660 23048254 46096508 57620635 115241270 230482540