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423081282 = 231367731109
BaseRepresentation
bin11001001101111…
…011010101000010
31002111002202102010
4121031323111002
51331302100112
6105552033350
713325063061
oct3115732502
91074082363
10423081282
111a7900258
12b9832856
1369863370
14402921d8
152722263c
hex1937b542

423081282 has 64 divisors (see below), whose sum is σ = 938367360. Its totient is φ = 126365184.

The previous prime is 423081259. The next prime is 423081287. The reversal of 423081282 is 282180324.

It is not an unprimeable number, because it can be changed into a prime (423081287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 380944 + ... + 382052.

It is an arithmetic number, because the mean of its divisors is an integer number (14661990).

Almost surely, 2423081282 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423081282, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (469183680).

423081282 is an abundant number, since it is smaller than the sum of its proper divisors (515286078).

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

423081282 is a wasteful number, since it uses less digits than its factorization.

423081282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 423081282 is about 20568.9397393254. The cubic root of 423081282 is about 750.7141535416.

The spelling of 423081282 in words is "four hundred twenty-three million, eighty-one thousand, two hundred eighty-two".

Divisors: 1 2 3 6 13 26 39 67 73 78 134 146 201 219 402 438 871 949 1109 1742 1898 2218 2613 2847 3327 4891 5226 5694 6654 9782 14417 14673 28834 29346 43251 63583 74303 80957 86502 127166 148606 161914 190749 222909 242871 381498 445818 485742 965939 1052441 1931878 2104882 2897817 3157323 5424119 5795634 6314646 10848238 16272357 32544714 70513547 141027094 211540641 423081282