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245539024 = 2417253101
BaseRepresentation
bin11101010001010…
…10000011010000
3122010000200012221
432220222003100
51000324222044
640210430424
76041022133
oct1650520320
9563020187
10245539024
11116667115
126a292414
133bb40083
142487821a
1516852484
hexea2a0d0

245539024 has 30 divisors (see below), whose sum is σ = 505371734. Its totient is φ = 115545600.

The previous prime is 245539009. The next prime is 245539057. The reversal of 245539024 is 420935542.

It can be written as a sum of positive squares in 3 ways, for example, as 146894400 + 98644624 = 12120^2 + 9932^2 .

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21927 + ... + 31174.

Almost surely, 2245539024 is an apocalyptic number.

It is an amenable number.

245539024 is an abundant number, since it is smaller than the sum of its proper divisors (259832710).

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

245539024 is a wasteful number, since it uses less digits than its factorization.

245539024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53143 (or 53120 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 245539024 is about 15669.6848723897. The cubic root of 245539024 is about 626.1910293568.

The spelling of 245539024 in words is "two hundred forty-five million, five hundred thirty-nine thousand, twenty-four".

Divisors: 1 2 4 8 16 17 34 68 136 272 289 578 1156 2312 4624 53101 106202 212404 424808 849616 902717 1805434 3610868 7221736 14443472 15346189 30692378 61384756 122769512 245539024