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2200400055 = 32576985397
BaseRepresentation
bin1000001100100111…
…0111000010110111
312200100102220102100
42003021313002313
514001300300210
61002202113143
7105346043340
oct20311670267
95610386370
102200400055
11a2a083147
12514aab7b3
13290b41789
1416c3430c7
15cd29a5c0
hex832770b7

2200400055 has 24 divisors (see below), whose sum is σ = 4358888352. Its totient is φ = 1005897024.

The previous prime is 2200400053. The next prime is 2200400107. The reversal of 2200400055 is 5500040022.

2200400055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2200400055 - 21 = 2200400053 is a prime.

It is a super-3 number, since 3×22004000553 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200400053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3492384 + ... + 3493013.

It is an arithmetic number, because the mean of its divisors is an integer number (181620348).

Almost surely, 22200400055 is an apocalyptic number.

2200400055 is a deficient number, since it is larger than the sum of its proper divisors (2158488297).

2200400055 is a wasteful number, since it uses less digits than its factorization.

2200400055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6985415 (or 6985412 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 2200400055 is about 46908.4220050089. The cubic root of 2200400055 is about 1300.6702766357.

Adding to 2200400055 its reverse (5500040022), we get a palindrome (7700440077).

The spelling of 2200400055 in words is "two billion, two hundred million, four hundred thousand, fifty-five".

Divisors: 1 3 5 7 9 15 21 35 45 63 105 315 6985397 20956191 34926985 48897779 62868573 104780955 146693337 244488895 314342865 440080011 733466685 2200400055