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245402652 = 223111859111
BaseRepresentation
bin11101010000010…
…00110000011100
3122002202202011010
432220020300130
51000310341102
640203455220
76036613425
oct1650106034
9562682133
10245402652
11116583710
126a227510
133bac2c91
142484064c
1516826d6c
hexea08c1c

245402652 has 24 divisors (see below), whose sum is σ = 624661632. Its totient is φ = 74364400.

The previous prime is 245402627. The next prime is 245402657. The reversal of 245402652 is 256204542.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245402657) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 929424 + ... + 929687.

It is an arithmetic number, because the mean of its divisors is an integer number (26027568).

Almost surely, 2245402652 is an apocalyptic number.

245402652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

245402652 is an abundant number, since it is smaller than the sum of its proper divisors (379258980).

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

245402652 is a wasteful number, since it uses less digits than its factorization.

245402652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859129 (or 1859127 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 245402652 is about 15665.3328084660. The cubic root of 245402652 is about 626.0750793733.

The spelling of 245402652 in words is "two hundred forty-five million, four hundred two thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 1859111 3718222 5577333 7436444 11154666 20450221 22309332 40900442 61350663 81800884 122701326 245402652