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84111401 = 1131246661
BaseRepresentation
bin1010000001101…
…11000000101001
312212021022011002
411000313000221
5133013031101
612202444345
72040635513
oct500670051
9185238132
1084111401
114352a160
12242036b5
131456c87a
14b256bb3
1575b6d6b
hex5037029

84111401 has 8 divisors (see below), whose sum is σ = 94718208. Its totient is φ = 73998000.

The previous prime is 84111373. The next prime is 84111409. The reversal of 84111401 is 10411148.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84111401 - 214 = 84095017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84111409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122990 + ... + 123671.

It is an arithmetic number, because the mean of its divisors is an integer number (11839776).

Almost surely, 284111401 is an apocalyptic number.

It is an amenable number.

84111401 is a deficient number, since it is larger than the sum of its proper divisors (10606807).

84111401 is a wasteful number, since it uses less digits than its factorization.

84111401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246703.

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 84111401 is about 9171.2267990711. The cubic root of 84111401 is about 438.1454327560.

Adding to 84111401 its reverse (10411148), we get a palindrome (94522549).

The spelling of 84111401 in words is "eighty-four million, one hundred eleven thousand, four hundred one".

Divisors: 1 11 31 341 246661 2713271 7646491 84111401