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2152341340 = 2251032110427
BaseRepresentation
bin1000000001001010…
…0001111101011100
312120000000021020221
42000102201331130
513401444410330
6553324051124
7104223412432
oct20022417534
95500007227
102152341340
11a04a389a6
12500993aa4
13283bb5b76
14165bd2d52
15c8e55b7a
hex804a1f5c

2152341340 has 24 divisors (see below), whose sum is σ = 4520788272. Its totient is φ = 860770560.

The previous prime is 2152341313. The next prime is 2152341383. The reversal of 2152341340 is 431432512.

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, 201207 + ... + 211633.

It is an arithmetic number, because the mean of its divisors is an integer number (188366178).

Almost surely, 22152341340 is an apocalyptic number.

2152341340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2152341340 is an abundant number, since it is smaller than the sum of its proper divisors (2368446932).

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

2152341340 is a wasteful number, since it uses less digits than its factorization.

2152341340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20757 (or 20755 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2152341340 is about 46393.3329261867. The cubic root of 2152341340 is about 1291.1312193336.

Adding to 2152341340 its reverse (431432512), we get a palindrome (2583773852).

The spelling of 2152341340 in words is "two billion, one hundred fifty-two million, three hundred forty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 10321 10427 20642 20854 41284 41708 51605 52135 103210 104270 206420 208540 107617067 215234134 430468268 538085335 1076170670 2152341340