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3420401231 = 132314537873
BaseRepresentation
bin1100101111011111…
…0010111001001111
322211101002101102002
43023313302321033
524001110314411
61323223022515
7150521634152
oct31367627117
98741071362
103420401231
1114a5800085
127b559aa3b
13426819a70
1424639bc99
1515043733b
hexcbdf2e4f

3420401231 has 16 divisors (see below), whose sum is σ = 3846795456. Its totient is φ = 3017558016.

The previous prime is 3420401227. The next prime is 3420401239. The reversal of 3420401231 is 1321040243.

It is a cyclic number.

It is not a de Polignac number, because 3420401231 - 22 = 3420401227 is a prime.

It is a super-2 number, since 2×34204012312 = 23398289162052630722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420401239) 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, 430511 + ... + 438383.

It is an arithmetic number, because the mean of its divisors is an integer number (240424716).

Almost surely, 23420401231 is an apocalyptic number.

3420401231 is a deficient number, since it is larger than the sum of its proper divisors (426394225).

3420401231 is a wasteful number, since it uses less digits than its factorization.

3420401231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9362.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3420401231 is about 58484.1964209136. The cubic root of 3420401231 is about 1506.6961713414.

Adding to 3420401231 its reverse (1321040243), we get a palindrome (4741441474).

The spelling of 3420401231 in words is "three billion, four hundred twenty million, four hundred one thousand, two hundred thirty-one".

Divisors: 1 13 23 299 1453 7873 18889 33419 102349 181079 434447 2354027 11439469 148713097 263107787 3420401231