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84311419 = 375574091
BaseRepresentation
bin1010000011001…
…11110101111011
312212122110112011
411001213311323
5133040431134
612211030351
72042430613
oct501476573
9185573464
1084311419
1143656465
122429b3b7
131460c91a
14b2a9a43
157606264
hex5067d7b

84311419 has 8 divisors (see below), whose sum is σ = 86766768. Its totient is φ = 81865440.

The previous prime is 84311369. The next prime is 84311443. The reversal of 84311419 is 91411348.

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 84311419 - 211 = 84309371 is a prime.

It is a super-2 number, since 2×843114192 = 14216830747587122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84311219) 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, 18564 + ... + 22654.

It is an arithmetic number, because the mean of its divisors is an integer number (10845846).

Almost surely, 284311419 is an apocalyptic number.

84311419 is a deficient number, since it is larger than the sum of its proper divisors (2455349).

84311419 is a wasteful number, since it uses less digits than its factorization.

84311419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4685.

The product of its digits is 3456, while the sum is 31.

The square root of 84311419 is about 9182.1249719223. The cubic root of 84311419 is about 438.4924629900.

The spelling of 84311419 in words is "eighty-four million, three hundred eleven thousand, four hundred nineteen".

Divisors: 1 37 557 4091 20609 151367 2278687 84311419