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245304212 = 22199913257
BaseRepresentation
bin11101001111100…
…00101110010100
3122002120202010012
432213300232110
51000244213322
640201415352
76036023426
oct1647605624
9562522105
10245304212
1111651675a
126a19a558
133ba8a22a
1424816816
1516807ae2
hexe9f0b94

245304212 has 24 divisors (see below), whose sum is σ = 452471040. Its totient is φ = 116043840.

The previous prime is 245304211. The next prime is 245304217. The reversal of 245304212 is 212403542.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245304211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73688 + ... + 76944.

It is an arithmetic number, because the mean of its divisors is an integer number (18852960).

Almost surely, 2245304212 is an apocalyptic number.

It is an amenable number.

245304212 is a deficient number, since it is larger than the sum of its proper divisors (207166828).

245304212 is a wasteful number, since it uses less digits than its factorization.

245304212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4271 (or 4269 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 245304212 is about 15662.1905236784. The cubic root of 245304212 is about 625.9913542886.

Adding to 245304212 its reverse (212403542), we get a palindrome (457707754).

The spelling of 245304212 in words is "two hundred forty-five million, three hundred four thousand, two hundred twelve".

Divisors: 1 2 4 19 38 76 991 1982 3257 3964 6514 13028 18829 37658 61883 75316 123766 247532 3227687 6455374 12910748 61326053 122652106 245304212