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422672160 = 25356471361
BaseRepresentation
bin11001001100010…
…111011100100000
31002110022222012110
4121030113130200
51331201002120
6105535155320
713321440231
oct3114273440
91073288173
10422672160
111a7650939
12b9675b40
136974c091
14401c7088
15271912e0
hex19317720

422672160 has 96 divisors (see below), whose sum is σ = 1334454912. Its totient is φ = 112455680.

The previous prime is 422672147. The next prime is 422672167. The reversal of 422672160 is 61276224.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×4226721603 (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (422672167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309880 + ... + 311240.

It is an arithmetic number, because the mean of its divisors is an integer number (13900572).

Almost surely, 2422672160 is an apocalyptic number.

422672160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422672160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (667227456).

422672160 is an abundant number, since it is smaller than the sum of its proper divisors (911782752).

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

422672160 is a wasteful number, since it uses less digits than its factorization.

422672160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026 (or 2018 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 422672160 is about 20558.9921931986. The cubic root of 422672160 is about 750.4720938852.

The spelling of 422672160 in words is "four hundred twenty-two million, six hundred seventy-two thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 647 1294 1361 1941 2588 2722 3235 3882 4083 5176 5444 6470 6805 7764 8166 9705 10352 10888 12940 13610 15528 16332 19410 20415 20704 21776 25880 27220 31056 32664 38820 40830 43552 51760 54440 62112 65328 77640 81660 103520 108880 130656 155280 163320 217760 310560 326640 653280 880567 1761134 2641701 3522268 4402835 5283402 7044536 8805670 10566804 13208505 14089072 17611340 21133608 26417010 28178144 35222680 42267216 52834020 70445360 84534432 105668040 140890720 211336080 422672160