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2055455 = 53189149
BaseRepresentation
bin111110101110100011111
310212102112222
413311310133
51011233310
6112015555
723320403
oct7656437
93772488
102055455
111184326
128315bb
1356c75c
143b7103
152a9055
hex1f5d1f

2055455 has 16 divisors (see below), whose sum is σ = 2592000. Its totient is φ = 1562880.

The previous prime is 2055437. The next prime is 2055467. The reversal of 2055455 is 5545502.

It is not a de Polignac number, because 2055455 - 28 = 2055199 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13721 + ... + 13869.

It is an arithmetic number, because the mean of its divisors is an integer number (162000).

22055455 is an apocalyptic number.

2055455 is a deficient number, since it is larger than the sum of its proper divisors (536545).

2055455 is a wasteful number, since it uses less digits than its factorization.

2055455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274.

The product of its (nonzero) digits is 5000, while the sum is 26.

The square root of 2055455 is about 1433.6858093739. The cubic root of 2055455 is about 127.1459870819.

The spelling of 2055455 in words is "two million, fifty-five thousand, four hundred fifty-five".

Divisors: 1 5 31 89 149 155 445 745 2759 4619 13261 13795 23095 66305 411091 2055455