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421141413 = 37111823123
BaseRepresentation
bin11001000110100…
…001101110100101
31002100110012102010
4121012201232211
51330303011123
6105442304433
713302433350
oct3106415645
91070405363
10421141413
111a67a5860
12b9058119
1369334404
143dd09297
1526e8c993
hex191a1ba5

421141413 has 16 divisors (see below), whose sum is σ = 700079616. Its totient is φ = 218774640.

The previous prime is 421141397. The next prime is 421141423. The reversal of 421141413 is 314141124.

It is not a de Polignac number, because 421141413 - 24 = 421141397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 421141413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421141423) 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, 911331 + ... + 911792.

It is an arithmetic number, because the mean of its divisors is an integer number (43754976).

Almost surely, 2421141413 is an apocalyptic number.

It is an amenable number.

421141413 is a deficient number, since it is larger than the sum of its proper divisors (278938203).

421141413 is a wasteful number, since it uses less digits than its factorization.

421141413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823144.

The product of its digits is 384, while the sum is 21.

The square root of 421141413 is about 20521.7302633087. The cubic root of 421141413 is about 749.5650295608.

Adding to 421141413 its reverse (314141124), we get a palindrome (735282537).

The spelling of 421141413 in words is "four hundred twenty-one million, one hundred forty-one thousand, four hundred thirteen".

Divisors: 1 3 7 11 21 33 77 231 1823123 5469369 12761861 20054353 38285583 60163059 140380471 421141413