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229797894 = 23192015771
BaseRepresentation
bin11011011001001…
…11000000000110
3121000101221110010
431230213000012
5432312013034
634445211050
75460151464
oct1554470006
9530357403
10229797894
11108795617
1264b60a86
13387bb2b1
142273b834
15152933e9
hexdb27006

229797894 has 16 divisors (see below), whose sum is σ = 483785280. Its totient is φ = 72567720.

The previous prime is 229797851. The next prime is 229797901. The reversal of 229797894 is 498797922.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Curzon number.

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, 1007772 + ... + 1007999.

It is an arithmetic number, because the mean of its divisors is an integer number (30236580).

Almost surely, 2229797894 is an apocalyptic number.

229797894 is an abundant number, since it is smaller than the sum of its proper divisors (253987386).

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

229797894 is a wasteful number, since it uses less digits than its factorization.

229797894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015795.

The product of its digits is 4572288, while the sum is 57.

The square root of 229797894 is about 15159.0861861789. The cubic root of 229797894 is about 612.5130528386.

The spelling of 229797894 in words is "two hundred twenty-nine million, seven hundred ninety-seven thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 19 38 57 114 2015771 4031542 6047313 12094626 38299649 76599298 114898947 229797894