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229640874 = 2338273479
BaseRepresentation
bin11011011000000…
…00101010101010
3121000002222001120
431230000222222
5432242001444
634442000110
75455625631
oct1554005252
9530088046
10229640874
11108698651
1264aa6036
1338764998
14226da518
1515261b19
hexdb00aaa

229640874 has 8 divisors (see below), whose sum is σ = 459281760. Its totient is φ = 76546956.

The previous prime is 229640861. The next prime is 229640881. The reversal of 229640874 is 478046922.

It is a sphenic number, since it is the product of 3 distinct primes.

229640874 is an admirable number.

It is a super-2 number, since 2×2296408742 = 105469862022967752, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19136734 + ... + 19136745.

It is an arithmetic number, because the mean of its divisors is an integer number (57410220).

Almost surely, 2229640874 is an apocalyptic number.

229640874 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

229640874 is a wasteful number, since it uses less digits than its factorization.

229640874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38273484.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 229640874 is about 15153.9062290883. The cubic root of 229640874 is about 612.3735117953.

The spelling of 229640874 in words is "two hundred twenty-nine million, six hundred forty thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 38273479 76546958 114820437 229640874