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492369390 = 23255470771
BaseRepresentation
bin11101010110001…
…111010111101110
31021022110221211100
4131112033113232
52002021310030
6120505103530
715126033162
oct3526172756
91238427740
10492369390
11232a25457
12118a87ba6
137b012b46
144956aca2
152d35c360
hex1d58f5ee

492369390 has 24 divisors (see below), whose sum is σ = 1280160648. Its totient is φ = 131298480.

The previous prime is 492369329. The next prime is 492369421. The reversal of 492369390 is 93963294.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2735296 + ... + 2735475.

It is an arithmetic number, because the mean of its divisors is an integer number (53340027).

Almost surely, 2492369390 is an apocalyptic number.

492369390 is an abundant number, since it is smaller than the sum of its proper divisors (787791258).

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

492369390 is a wasteful number, since it uses less digits than its factorization.

492369390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5470784 (or 5470781 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 45.

The square root of 492369390 is about 22189.3981441588. The cubic root of 492369390 is about 789.6421976352.

The spelling of 492369390 in words is "four hundred ninety-two million, three hundred sixty-nine thousand, three hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 5470771 10941542 16412313 27353855 32824626 49236939 54707710 82061565 98473878 164123130 246184695 492369390