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82229670 = 23253129473
BaseRepresentation
bin1001110011010…
…11100110100110
312201201200220100
410321223212212
5132022322140
612054244530
72015640435
oct471534646
9181650810
1082229670
1142464406
1223656746
1314061213
14acc711c
157344530
hex4e6b9a6

82229670 has 48 divisors (see below), whose sum is σ = 220701312. Its totient is φ = 21219840.

The previous prime is 82229633. The next prime is 82229671. The reversal of 82229670 is 7692228.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82229671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11947 + ... + 17526.

It is an arithmetic number, because the mean of its divisors is an integer number (4597944).

Almost surely, 282229670 is an apocalyptic number.

82229670 is an abundant number, since it is smaller than the sum of its proper divisors (138471642).

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

82229670 is a wasteful number, since it uses less digits than its factorization.

82229670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29517 (or 29514 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 82229670 is about 9068.0576751584. The cubic root of 82229670 is about 434.8533790437.

The spelling of 82229670 in words is "eighty-two million, two hundred twenty-nine thousand, six hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 31 45 62 90 93 155 186 279 310 465 558 930 1395 2790 29473 58946 88419 147365 176838 265257 294730 442095 530514 884190 913663 1326285 1827326 2652570 2740989 4568315 5481978 8222967 9136630 13704945 16445934 27409890 41114835 82229670