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1071481340 = 22553574067
BaseRepresentation
bin111111110111011…
…000000111111100
32202200011220002002
4333313120013330
54143244400330
6254153321432
735360304206
oct7767300774
92680156062
101071481340
114aa906876
1225aa06278
13140ca7037
14a2437776
1564100e45
hex3fdd81fc

1071481340 has 12 divisors (see below), whose sum is σ = 2250110856. Its totient is φ = 428592528.

The previous prime is 1071481339. The next prime is 1071481343. The reversal of 1071481340 is 431841701.

It is a super-2 number, since 2×10714813402 = 2296144523936391200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071481343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26787014 + ... + 26787053.

It is an arithmetic number, because the mean of its divisors is an integer number (187509238).

Almost surely, 21071481340 is an apocalyptic number.

1071481340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1071481340 is an abundant number, since it is smaller than the sum of its proper divisors (1178629516).

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

1071481340 is a wasteful number, since it uses less digits than its factorization.

1071481340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53574076 (or 53574074 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 1071481340 is about 32733.4895787174. The cubic root of 1071481340 is about 1023.2809066312.

The spelling of 1071481340 in words is "one billion, seventy-one million, four hundred eighty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 53574067 107148134 214296268 267870335 535740670 1071481340