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2192717140 = 225711544167
BaseRepresentation
bin1000001010110010…
…0011010101010100
312122210222120102221
42002230203111110
513442313422030
61001325312124
7105223534225
oct20254432524
95583876387
102192717140
11a25805929
12512405644
1328c381783
1416b30324c
15cc77de7a
hex82b23554

2192717140 has 24 divisors (see below), whose sum is σ = 4669564032. Its totient is φ = 864732960.

The previous prime is 2192717117. The next prime is 2192717183. The reversal of 2192717140 is 417172912.

It is a junction number, because it is equal to n+sod(n) for n = 2192717096 and 2192717105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 770664 + ... + 773503.

It is an arithmetic number, because the mean of its divisors is an integer number (194565168).

Almost surely, 22192717140 is an apocalyptic number.

2192717140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2192717140 is an abundant number, since it is smaller than the sum of its proper divisors (2476846892).

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

2192717140 is a wasteful number, since it uses less digits than its factorization.

2192717140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544247 (or 1544245 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 2192717140 is about 46826.4576922064. The cubic root of 2192717140 is about 1299.1547049233.

The spelling of 2192717140 in words is "two billion, one hundred ninety-two million, seven hundred seventeen thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 1544167 3088334 6176668 7720835 15441670 30883340 109635857 219271714 438543428 548179285 1096358570 2192717140