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1122442340 = 225174197879
BaseRepresentation
bin100001011100111…
…0001110001100100
32220020001222102112
41002321301301210
54244321123330
6303213500152
736546413435
oct10271616144
92806058375
101122442340
115266535a8
12273aa1658
1314b70a986
14a910148c
156881a795
hex42e71c64

1122442340 has 48 divisors (see below), whose sum is σ = 2502057600. Its totient is φ = 421504512.

The previous prime is 1122442301. The next prime is 1122442351. The reversal of 1122442340 is 432442211.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138521 + ... + 146399.

It is an arithmetic number, because the mean of its divisors is an integer number (52126200).

Almost surely, 21122442340 is an apocalyptic number.

1122442340 is a gapful number since it is divisible by the number (10) 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 1122442340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1251028800).

1122442340 is an abundant number, since it is smaller than the sum of its proper divisors (1379615260).

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

1122442340 is a wasteful number, since it uses less digits than its factorization.

1122442340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8324 (or 8322 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1122442340 is about 33502.8706232764. The cubic root of 1122442340 is about 1039.2531435212.

Adding to 1122442340 its reverse (432442211), we get a palindrome (1554884551).

The spelling of 1122442340 in words is "one billion, one hundred twenty-two million, four hundred forty-two thousand, three hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 419 838 1676 2095 4190 7123 7879 8380 14246 15758 28492 31516 35615 39395 71230 78790 133943 142460 157580 267886 535772 669715 1339430 2678860 3301301 6602602 13205204 16506505 33013010 56122117 66026020 112244234 224488468 280610585 561221170 1122442340