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245143330 = 25113401541
BaseRepresentation
bin11101001110010…
…01011100100010
3122002021120102121
432213021130202
51000224041310
640154134454
76034453405
oct1647113442
9562246377
10245143330
111164168a3
126a12142a
133ba31c33
14247b3d3c
15167c50da
hexe9c9722

245143330 has 32 divisors (see below), whose sum is σ = 447097968. Its totient is φ = 96768000.

The previous prime is 245143273. The next prime is 245143331. The reversal of 245143330 is 33341542.

245143330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 96766569 + 148376761 = 9837^2 + 12181^2 .

It is a junction number, because it is equal to n+sod(n) for n = 245143295 and 245143304.

It is not an unprimeable number, because it can be changed into a prime (245143331) 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, 452860 + ... + 453400.

Almost surely, 2245143330 is an apocalyptic number.

245143330 is a deficient number, since it is larger than the sum of its proper divisors (201954638).

245143330 is a wasteful number, since it uses less digits than its factorization.

245143330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 245143330 is about 15657.0536819671. The cubic root of 245143330 is about 625.8544728694.

Adding to 245143330 its reverse (33341542), we get a palindrome (278484872).

The spelling of 245143330 in words is "two hundred forty-five million, one hundred forty-three thousand, three hundred thirty".

Divisors: 1 2 5 10 113 226 401 541 565 802 1082 1130 2005 2705 4010 5410 45313 61133 90626 122266 216941 226565 305665 433882 453130 611330 1084705 2169410 24514333 49028666 122571665 245143330