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245428356 = 22320452363
BaseRepresentation
bin11101010000011…
…11000010000100
3122002211001102010
432220033002010
51000312201411
640204214220
76040051365
oct1650170204
9562731363
10245428356
111165a0a58
126a23a370
133bb018a4
1424849b6c
151682e7a6
hexea0f084

245428356 has 12 divisors (see below), whose sum is σ = 572666192. Its totient is φ = 81809448.

The previous prime is 245428343. The next prime is 245428373. The reversal of 245428356 is 653824542.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 10226170 + ... + 10226193.

Almost surely, 2245428356 is an apocalyptic number.

It is an amenable number.

245428356 is an abundant number, since it is smaller than the sum of its proper divisors (327237836).

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

245428356 is a wasteful number, since it uses less digits than its factorization.

245428356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20452370 (or 20452368 counting only the distinct ones).

The product of its digits is 230400, while the sum is 39.

The square root of 245428356 is about 15666.1531972594. The cubic root of 245428356 is about 626.0969374256.

The spelling of 245428356 in words is "two hundred forty-five million, four hundred twenty-eight thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 12 20452363 40904726 61357089 81809452 122714178 245428356