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245649552 = 2437964781
BaseRepresentation
bin11101010010001…
…01000010010000
3122010020021211120
432221011002100
51000341241202
640213042240
76041662311
oct1651050220
9563207746
10245649552
11116732165
126a326380
133bb7b485
14248a6608
15168750bc
hexea45090

245649552 has 40 divisors (see below), whose sum is σ = 642637440. Its totient is φ = 80845440.

The previous prime is 245649533. The next prime is 245649553. The reversal of 245649552 is 255946542.

245649552 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (245649553) 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, 28599 + ... + 36182.

It is an arithmetic number, because the mean of its divisors is an integer number (16065936).

Almost surely, 2245649552 is an apocalyptic number.

It is an amenable number.

245649552 is an abundant number, since it is smaller than the sum of its proper divisors (396987888).

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

245649552 is a wasteful number, since it uses less digits than its factorization.

245649552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64871 (or 64865 counting only the distinct ones).

The product of its digits is 432000, while the sum is 42.

The square root of 245649552 is about 15673.2112855024. The cubic root of 245649552 is about 626.2849740429.

The spelling of 245649552 in words is "two hundred forty-five million, six hundred forty-nine thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 79 158 237 316 474 632 948 1264 1896 3792 64781 129562 194343 259124 388686 518248 777372 1036496 1554744 3109488 5117699 10235398 15353097 20470796 30706194 40941592 61412388 81883184 122824776 245649552