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245132430 = 2358171081
BaseRepresentation
bin11101001110001…
…10110010001110
3122002021000110220
432213012302032
51000223214210
640154012210
76034406544
oct1647066216
9562230426
10245132430
11116409694
126a117066
133ba29c9a
14247add94
15167c1c70
hexe9c6c8e

245132430 has 16 divisors (see below), whose sum is σ = 588317904. Its totient is φ = 65368640.

The previous prime is 245132429. The next prime is 245132491. The reversal of 245132430 is 34231542.

It is a self number, because there is not a number n which added to its sum of digits gives 245132430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4085511 + ... + 4085570.

It is an arithmetic number, because the mean of its divisors is an integer number (36769869).

Almost surely, 2245132430 is an apocalyptic number.

245132430 is an abundant number, since it is smaller than the sum of its proper divisors (343185474).

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

245132430 is a wasteful number, since it uses less digits than its factorization.

245132430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8171091.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 245132430 is about 15656.7055921736. The cubic root of 245132430 is about 625.8451967793.

Adding to 245132430 its reverse (34231542), we get a palindrome (279363972).

The spelling of 245132430 in words is "two hundred forty-five million, one hundred thirty-two thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 8171081 16342162 24513243 40855405 49026486 81710810 122566215 245132430