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2023890390 = 232522487671
BaseRepresentation
bin111100010100010…
…0001110111010110
312020001022021200100
41320220201313112
513121103443030
6532454554530
7101103533034
oct17050416726
95201267610
102023890390
11949484895
12485968a46
132633c04a2
14152b17554
15bca31360
hex78a21dd6

2023890390 has 24 divisors (see below), whose sum is σ = 5262115248. Its totient is φ = 539704080.

The previous prime is 2023890377. The next prime is 2023890403. The reversal of 2023890390 is 930983202.

It is an interprime number because it is at equal distance from previous prime (2023890377) and next prime (2023890403).

It is a super-2 number, since 2×20238903902 = 8192264621468704200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11243746 + ... + 11243925.

It is an arithmetic number, because the mean of its divisors is an integer number (219254802).

Almost surely, 22023890390 is an apocalyptic number.

2023890390 is an abundant number, since it is smaller than the sum of its proper divisors (3238224858).

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

2023890390 is a wasteful number, since it uses less digits than its factorization.

2023890390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22487684 (or 22487681 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 2023890390 is about 44987.6693106011. The cubic root of 2023890390 is about 1264.9178739249.

The spelling of 2023890390 in words is "two billion, twenty-three million, eight hundred ninety thousand, three hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 22487671 44975342 67463013 112438355 134926026 202389039 224876710 337315065 404778078 674630130 1011945195 2023890390