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2854872340 = 225433319619
BaseRepresentation
bin1010101000101001…
…1110010100010100
321100221221112121121
42222022132110110
521321321403330
61151141453324
7130514004655
oct25212362424
97327845547
102854872340
111235556931
12678111244
13366600298
141d122952c
1511a97817a
hexaa29e514

2854872340 has 24 divisors (see below), whose sum is σ = 6134657760. Its totient is φ = 1115391648.

The previous prime is 2854872337. The next prime is 2854872347. The reversal of 2854872340 is 432784582.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2854872347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1658950 + ... + 1660669.

It is an arithmetic number, because the mean of its divisors is an integer number (255610740).

Almost surely, 22854872340 is an apocalyptic number.

2854872340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2854872340 is an abundant number, since it is smaller than the sum of its proper divisors (3279785420).

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

2854872340 is a wasteful number, since it uses less digits than its factorization.

2854872340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3319671 (or 3319669 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 43.

The square root of 2854872340 is about 53431.0054182026. The cubic root of 2854872340 is about 1418.6074326393.

The spelling of 2854872340 in words is "two billion, eight hundred fifty-four million, eight hundred seventy-two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 3319619 6639238 13278476 16598095 33196190 66392380 142743617 285487234 570974468 713718085 1427436170 2854872340