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141420321 = 3272476823
BaseRepresentation
bin10000110110111…
…10011100100001
3100212002220012200
420123132130201
5242200422241
622011043413
73335024100
oct1033363441
9325086180
10141420321
11729121a9
123b440569
13233b6983
1414ad4037
15c6374b6
hex86de721

141420321 has 36 divisors (see below), whose sum is σ = 242716032. Its totient is φ = 79080624.

The previous prime is 141420313. The next prime is 141420341. The reversal of 141420321 is 123024141.

141420321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 141420321 - 23 = 141420313 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 141420294 and 141420303.

It is not an unprimeable number, because it can be changed into a prime (141420311) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17316 + ... + 24138.

It is an arithmetic number, because the mean of its divisors is an integer number (6742112).

Almost surely, 2141420321 is an apocalyptic number.

It is an amenable number.

141420321 is a deficient number, since it is larger than the sum of its proper divisors (101295711).

141420321 is a wasteful number, since it uses less digits than its factorization.

141420321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6890 (or 6880 counting only the distinct ones).

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

The square root of 141420321 is about 11892.0276235804. The cubic root of 141420321 is about 520.9994596733. Note that the first 3 decimals are identical.

Adding to 141420321 its reverse (123024141), we get a palindrome (264444462).

The spelling of 141420321 in words is "one hundred forty-one million, four hundred twenty thousand, three hundred twenty-one".

Divisors: 1 3 7 9 21 47 49 63 141 147 329 423 441 987 2303 2961 6823 6909 20469 20727 47761 61407 143283 320681 334327 429849 962043 1002981 2244767 2886129 3008943 6734301 15713369 20202903 47140107 141420321