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1340101422 = 234111993779
BaseRepresentation
bin100111111100000…
…0101001100101110
310110101122012120000
41033320011030232
510221031221142
6340551005130
745131450142
oct11770051456
93411565500
101340101422
116284a8040
123149697a6
13184838a2a
14c9d9d222
157c9b214c
hex4fe0532e

1340101422 has 80 divisors (see below), whose sum is σ = 3293136000. Its totient is φ = 403943760.

The previous prime is 1340101421. The next prime is 1340101439. The reversal of 1340101422 is 2241010431.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1340101395 and 1340101404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340101421) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 352729 + ... + 356507.

It is an arithmetic number, because the mean of its divisors is an integer number (41164200).

Almost surely, 21340101422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1340101422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1646568000).

1340101422 is an abundant number, since it is smaller than the sum of its proper divisors (1953034578).

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

1340101422 is a wasteful number, since it uses less digits than its factorization.

1340101422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4003 (or 3994 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1340101422 is about 36607.3957281859. The cubic root of 1340101422 is about 1102.5015854482.

Adding to 1340101422 its reverse (2241010431), we get a palindrome (3581111853).

Subtracting 1340101422 from its reverse (2241010431), we obtain a palindrome (900909009).

The spelling of 1340101422 in words is "one billion, three hundred forty million, one hundred one thousand, four hundred twenty-two".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 81 99 162 198 199 297 398 594 597 891 1194 1782 1791 2189 3582 3779 4378 5373 6567 7558 10746 11337 13134 16119 19701 22674 32238 34011 39402 41569 59103 68022 83138 102033 118206 124707 177309 204066 249414 306099 354618 374121 612198 748242 752021 1122363 1504042 2244726 2256063 3367089 4512126 6734178 6768189 8272231 13536378 16544462 20304567 24816693 40609134 49633386 60913701 74450079 121827402 148900158 223350237 446700474 670050711 1340101422