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84469040 = 2451055863
BaseRepresentation
bin1010000100011…
…10010100110000
312212221110201222
411002032110300
5133111002130
612214244212
72043655265
oct502162460
9185843658
1084469040
1143753927
1224356668
13146665a6
14b30b26c
157637ce5
hex508e530

84469040 has 20 divisors (see below), whose sum is σ = 196390704. Its totient is φ = 33787584.

The previous prime is 84469037. The next prime is 84469043. The reversal of 84469040 is 4096448.

It is an interprime number because it is at equal distance from previous prime (84469037) and next prime (84469043).

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (84469043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527852 + ... + 528011.

Almost surely, 284469040 is an apocalyptic number.

84469040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84469040 is an abundant number, since it is smaller than the sum of its proper divisors (111921664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84469040 is a wasteful number, since it uses less digits than its factorization.

84469040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055876 (or 1055870 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 84469040 is about 9190.7039991504. The cubic root of 84469040 is about 438.7655481594.

The spelling of 84469040 in words is "eighty-four million, four hundred sixty-nine thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1055863 2111726 4223452 5279315 8446904 10558630 16893808 21117260 42234520 84469040