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1422641286 = 233112239911
BaseRepresentation
bin101010011001011…
…1100100010000110
310200010221122222000
41110302330202012
510403144010121
6353100050130
750153152143
oct12462744206
93603848860
101422641286
11670053500
12338533946
131989781a1
14d6d273ca
1584d68526
hex54cbc886

1422641286 has 96 divisors (see below), whose sum is σ = 3493324800. Its totient is φ = 428828400.

The previous prime is 1422641279. The next prime is 1422641299. The reversal of 1422641286 is 6821462241.

1422641286 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 641 + 2 + 8 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1422641286.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1561171 + ... + 1562081.

It is an arithmetic number, because the mean of its divisors is an integer number (36388800).

Almost surely, 21422641286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422641286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1746662400).

1422641286 is an abundant number, since it is smaller than the sum of its proper divisors (2070683514).

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

1422641286 is a wasteful number, since it uses less digits than its factorization.

1422641286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183 (or 1166 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 1422641286 is about 37717.9173072957. The cubic root of 1422641286 is about 1124.6873299969.

The spelling of 1422641286 in words is "one billion, four hundred twenty-two million, six hundred forty-one thousand, two hundred eighty-six".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 99 121 198 239 242 297 363 478 594 717 726 911 1089 1434 1822 2151 2178 2629 2733 3267 4302 5258 5466 6453 6534 7887 8199 10021 12906 15774 16398 20042 23661 24597 28919 30063 47322 49194 57838 60126 70983 86757 90189 110231 141966 173514 180378 217729 220462 260271 270567 330693 435458 520542 541134 653187 661386 780813 992079 1306374 1561626 1959561 1984158 2395019 2976237 3919122 4790038 5878683 5952474 7185057 11757366 14370114 21555171 26345209 43110342 52690418 64665513 79035627 129331026 158071254 237106881 474213762 711320643 1422641286