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2231423401 = 411011274243
BaseRepresentation
bin1000010100000000…
…1101000110101001
312202111211001110011
42011000031012221
514032221022101
61005231051521
7106203533404
oct20500150651
95674731404
102231423401
11a45642479
12523370ba1
132973b449c
141724dad3b
15d0d77751
hex8500d1a9

2231423401 has 16 divisors (see below), whose sum is σ = 2327205888. Its totient is φ = 2137968000.

The previous prime is 2231423387. The next prime is 2231423443. The reversal of 2231423401 is 1043241322.

It is not a de Polignac number, because 2231423401 - 29 = 2231422889 is a prime.

It is a super-3 number, since 3×22314234013 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231423461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 523786 + ... + 528028.

It is an arithmetic number, because the mean of its divisors is an integer number (145450368).

Almost surely, 22231423401 is an apocalyptic number.

It is an amenable number.

2231423401 is a deficient number, since it is larger than the sum of its proper divisors (95782487).

2231423401 is a wasteful number, since it uses less digits than its factorization.

2231423401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4512.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2231423401 is about 47237.9445043918. The cubic root of 2231423401 is about 1306.7544701500.

Adding to 2231423401 its reverse (1043241322), we get a palindrome (3274664723).

The spelling of 2231423401 in words is "two billion, two hundred thirty-one million, four hundred twenty-three thousand, four hundred one".

Divisors: 1 41 101 127 4141 4243 5207 12827 173963 428543 525907 538861 17570263 22093301 54424961 2231423401