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245124136 = 23239128203
BaseRepresentation
bin11101001110001…
…00110000101000
3122002020121002201
432213010300220
51000222433021
640153505544
76034343425
oct1647046050
9562217081
10245124136
11116403434
126a1122b4
133ba2628a
14247aad4c
15167be591
hexe9c4c28

245124136 has 16 divisors (see below), whose sum is σ = 461534400. Its totient is φ = 122048304.

The previous prime is 245124109. The next prime is 245124151. The reversal of 245124136 is 631421542.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62190 + ... + 66013.

It is an arithmetic number, because the mean of its divisors is an integer number (28845900).

Almost surely, 2245124136 is an apocalyptic number.

It is an amenable number.

245124136 is a deficient number, since it is larger than the sum of its proper divisors (216410264).

245124136 is a wasteful number, since it uses less digits than its factorization.

245124136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128448 (or 128444 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 245124136 is about 15656.4407193972. The cubic root of 245124136 is about 625.8381382564.

Adding to 245124136 its reverse (631421542), we get a palindrome (876545678).

The spelling of 245124136 in words is "two hundred forty-five million, one hundred twenty-four thousand, one hundred thirty-six".

Divisors: 1 2 4 8 239 478 956 1912 128203 256406 512812 1025624 30640517 61281034 122562068 245124136