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361428498 = 23244812
BaseRepresentation
bin10101100010101…
…111011000010010
3221012002110200200
4111202233120102
51220011202443
655510400030
711646043254
oct2542573022
9835073620
10361428498
11176020642
12a1060016
1359b58022
1436003cd4
1521ae4dd3
hex158af612

361428498 has 18 divisors (see below), whose sum is σ = 783269877. Its totient is φ = 120449280.

The previous prime is 361428497. The next prime is 361428527. The reversal of 361428498 is 894824163.

It is a happy number.

361428498 is a `hidden beast` number, since 3 + 614 + 28 + 4 + 9 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 329313609 + 32114889 = 18147^2 + 5667^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅BA, here for A=2, B=13443.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (361428493) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 78418 + ... + 82898.

Almost surely, 2361428498 is an apocalyptic number.

361428498 is an abundant number, since it is smaller than the sum of its proper divisors (421841379).

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

361428498 is an frugal number, since it uses more digits than its factorization.

361428498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8970 (or 4486 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 361428498 is about 19011.2729189815. The cubic root of 361428498 is about 712.3183477821.

The spelling of 361428498 in words is "three hundred sixty-one million, four hundred twenty-eight thousand, four hundred ninety-eight".

Divisors: 1 2 3 6 9 18 4481 8962 13443 26886 40329 80658 20079361 40158722 60238083 120476166 180714249 361428498