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2055442477 = 111719578509
BaseRepresentation
bin111101010000011…
…1001000000101101
312022020200022000011
41322200321000231
513202143124402
6535543133221
7101635654444
oct17240710055
95266608004
102055442477
119652753a0
12494444211
13269ab9a6a
14156dabd5b
15c06b4ed7
hex7a83902d

2055442477 has 16 divisors (see below), whose sum is σ = 2499163200. Its totient is φ = 1666103040.

The previous prime is 2055442471. The next prime is 2055442607. The reversal of 2055442477 is 7742445502.

It is a cyclic number.

It is not a de Polignac number, because 2055442477 - 23 = 2055442469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055442471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285702 + ... + 292807.

It is an arithmetic number, because the mean of its divisors is an integer number (156197700).

Almost surely, 22055442477 is an apocalyptic number.

It is an amenable number.

2055442477 is a deficient number, since it is larger than the sum of its proper divisors (443720723).

2055442477 is a wasteful number, since it uses less digits than its factorization.

2055442477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578556.

The product of its (nonzero) digits is 313600, while the sum is 40.

The square root of 2055442477 is about 45336.9879568548. The cubic root of 2055442477 is about 1271.4572886613.

Adding to 2055442477 its reverse (7742445502), we get a palindrome (9797887979).

The spelling of 2055442477 in words is "two billion, fifty-five million, four hundred forty-two thousand, four hundred seventy-seven".

Divisors: 1 11 17 19 187 209 323 3553 578509 6363599 9834653 10991671 108181183 120908381 186858407 2055442477