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229910972 = 2257477743
BaseRepresentation
bin11011011010000…
…10100110111100
3121000121200120012
431231002212330
5432324122342
634451442352
75461132244
oct1555024674
9530550505
10229910972
11108862575
1264bb63b8
133882a8c5
142276ab24
15152b6b82
hexdb429bc

229910972 has 6 divisors (see below), whose sum is σ = 402344208. Its totient is φ = 114955484.

The previous prime is 229910971. The next prime is 229910977. The reversal of 229910972 is 279019922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229910971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28738868 + ... + 28738875.

It is an arithmetic number, because the mean of its divisors is an integer number (67057368).

Almost surely, 2229910972 is an apocalyptic number.

It is an amenable number.

229910972 is a deficient number, since it is larger than the sum of its proper divisors (172433236).

229910972 is a wasteful number, since it uses less digits than its factorization.

229910972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57477747 (or 57477745 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 229910972 is about 15162.8154377741. The cubic root of 229910972 is about 612.6135039962.

The spelling of 229910972 in words is "two hundred twenty-nine million, nine hundred ten thousand, nine hundred seventy-two".

Divisors: 1 2 4 57477743 114955486 229910972