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421320141 = 321123414513
BaseRepresentation
bin11001000111001…
…101010111001101
31002100210021120200
4121013031113031
51330324221031
6105450204113
713304106414
oct3107152715
91070707520
10421320141
111a6908070
12b9123639
1369397878
143dd5447b
1526ec58e6
hex191cd5cd

421320141 has 48 divisors (see below), whose sum is σ = 709817472. Its totient is φ = 238233600.

The previous prime is 421320139. The next prime is 421320143. The reversal of 421320141 is 141023124.

421320141 is a `hidden beast` number, since 421 + 3 + 201 + 41 = 666.

It is an interprime number because it is at equal distance from previous prime (421320139) and next prime (421320143).

It is not a de Polignac number, because 421320141 - 21 = 421320139 is a prime.

It is a super-2 number, since 2×4213201412 = 355021322424519762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421320143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91101 + ... + 95613.

It is an arithmetic number, because the mean of its divisors is an integer number (14787864).

Almost surely, 2421320141 is an apocalyptic number.

421320141 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

421320141 is a deficient number, since it is larger than the sum of its proper divisors (288497331).

421320141 is a wasteful number, since it uses less digits than its factorization.

421320141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4594 (or 4591 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 421320141 is about 20526.0844049712. The cubic root of 421320141 is about 749.6710504107.

Adding to 421320141 its reverse (141023124), we get a palindrome (562343265).

The spelling of 421320141 in words is "four hundred twenty-one million, three hundred twenty thousand, one hundred forty-one".

Divisors: 1 3 9 11 23 33 41 69 99 123 207 253 369 451 759 943 1353 2277 2829 4059 4513 8487 10373 13539 31119 40617 49643 93357 103799 148929 185033 311397 446787 555099 934191 1141789 1665297 2035363 3425367 4255759 6106089 10276101 12767277 18318267 38301831 46813349 140440047 421320141