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1086197740 = 22554309887
BaseRepresentation
bin100000010111110…
…0000111111101100
32210200212120011221
41000233200333230
54211031311430
6255440553124
735626346155
oct10057407754
92720776157
101086197740
11508148491
122639227a4
1314405a574
14a438892c
156555b57a
hex40be0fec

1086197740 has 12 divisors (see below), whose sum is σ = 2281015296. Its totient is φ = 434479088.

The previous prime is 1086197669. The next prime is 1086197743. The reversal of 1086197740 is 477916801.

It is a super-2 number, since 2×10861977402 = 2359651060762215200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1086197743) 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, 27154924 + ... + 27154963.

It is an arithmetic number, because the mean of its divisors is an integer number (190084608).

Almost surely, 21086197740 is an apocalyptic number.

1086197740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1086197740 is an abundant number, since it is smaller than the sum of its proper divisors (1194817556).

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

1086197740 is a wasteful number, since it uses less digits than its factorization.

1086197740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54309896 (or 54309894 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 1086197740 is about 32957.5141659683. The cubic root of 1086197740 is about 1027.9444157847.

The spelling of 1086197740 in words is "one billion, eighty-six million, one hundred ninety-seven thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 54309887 108619774 217239548 271549435 543098870 1086197740