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223346690 = 25729110023
BaseRepresentation
bin11010101000000…
…00000000000010
3120120021012001122
431110000000002
5424134043230
634055032242
75351262350
oct1524000002
9516235048
10223346690
11105089746
126296b682
133736cb08
142193c7d0
151491bbe5
hexd500002

223346690 has 32 divisors (see below), whose sum is σ = 475303680. Its totient is φ = 73934784.

The previous prime is 223346597. The next prime is 223346699. The reversal of 223346690 is 96643322.

223346690 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2233466902 = 99767487867912200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 223346690.

It is not an unprimeable number, because it can be changed into a prime (223346699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52982 + ... + 57041.

It is an arithmetic number, because the mean of its divisors is an integer number (14853240).

Almost surely, 2223346690 is an apocalyptic number.

223346690 is an abundant number, since it is smaller than the sum of its proper divisors (251956990).

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

223346690 is a wasteful number, since it uses less digits than its factorization.

223346690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110066.

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 223346690 is about 14944.7880547032. The cubic root of 223346690 is about 606.7267926695.

The spelling of 223346690 in words is "two hundred twenty-three million, three hundred forty-six thousand, six hundred ninety".

Divisors: 1 2 5 7 10 14 29 35 58 70 145 203 290 406 1015 2030 110023 220046 550115 770161 1100230 1540322 3190667 3850805 6381334 7701610 15953335 22334669 31906670 44669338 111673345 223346690