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189267468 = 223131213253
BaseRepresentation
bin10110100011111…
…11111000001100
3111012010210011020
423101333320030
5341423024333
630440354140
74455514125
oct1321777014
9435123136
10189267468
11979224a5
1253475950
133029a1b0
141b1cb04c
15119393b3
hexb47fe0c

189267468 has 24 divisors (see below), whose sum is σ = 475595568. Its totient is φ = 58236096.

The previous prime is 189267461. The next prime is 189267487. The reversal of 189267468 is 864762981.

It is a self number, because there is not a number n which added to its sum of digits gives 189267468.

It is not an unprimeable number, because it can be changed into a prime (189267461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606471 + ... + 606782.

It is an arithmetic number, because the mean of its divisors is an integer number (19816482).

Almost surely, 2189267468 is an apocalyptic number.

It is an amenable number.

189267468 is an abundant number, since it is smaller than the sum of its proper divisors (286328100).

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

189267468 is a wasteful number, since it uses less digits than its factorization.

189267468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213273 (or 1213271 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 51.

The square root of 189267468 is about 13757.4513628070. The cubic root of 189267468 is about 574.1499403926.

The spelling of 189267468 in words is "one hundred eighty-nine million, two hundred sixty-seven thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 1213253 2426506 3639759 4853012 7279518 14559036 15772289 31544578 47316867 63089156 94633734 189267468