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2149622285 = 519190111903
BaseRepresentation
bin1000000000100000…
…1010001000001101
312112210220010102012
42000020022020031
513400300403120
6553145511005
7104161326236
oct20010121015
95483803365
102149622285
11a03451048
124bbaa2465
13283473365
141656c608d
15c8aba1c5
hex8020a20d

2149622285 has 16 divisors (see below), whose sum is σ = 2716968960. Its totient is φ = 1628193600.

The previous prime is 2149622231. The next prime is 2149622287. The reversal of 2149622285 is 5822269412.

It is a happy number.

It is not a de Polignac number, because 2149622285 - 28 = 2149622029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149622287) 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, 174644 + ... + 186546.

It is an arithmetic number, because the mean of its divisors is an integer number (169810560).

Almost surely, 22149622285 is an apocalyptic number.

It is an amenable number.

2149622285 is a deficient number, since it is larger than the sum of its proper divisors (567346675).

2149622285 is a wasteful number, since it uses less digits than its factorization.

2149622285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13828.

The product of its digits is 138240, while the sum is 41.

The square root of 2149622285 is about 46364.0192929819. The cubic root of 2149622285 is about 1290.5872944289.

The spelling of 2149622285 in words is "two billion, one hundred forty-nine million, six hundred twenty-two thousand, two hundred eighty-five".

Divisors: 1 5 19 95 1901 9505 11903 36119 59515 180595 226157 1130785 22627603 113138015 429924457 2149622285