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82293912 = 23321142971
BaseRepresentation
bin1001110011110…
…11010010011000
312201211222000200
410321323102120
5132031401122
612055502200
72016325641
oct471732230
9181758020
1082293912
11424a86a8
1223687960
131408452c
14ad026c8
1573585ac
hex4e7b498

82293912 has 24 divisors (see below), whose sum is σ = 222879540. Its totient is φ = 27431280.

The previous prime is 82293881. The next prime is 82293917. The reversal of 82293912 is 21939228.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82293917) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 571414 + ... + 571557.

Almost surely, 282293912 is an apocalyptic number.

It is an amenable number.

82293912 is an abundant number, since it is smaller than the sum of its proper divisors (140585628).

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

82293912 is a wasteful number, since it uses less digits than its factorization.

82293912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142983 (or 1142976 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 82293912 is about 9071.5991974954. The cubic root of 82293912 is about 434.9665927575.

The spelling of 82293912 in words is "eighty-two million, two hundred ninety-three thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 1142971 2285942 3428913 4571884 6857826 9143768 10286739 13715652 20573478 27431304 41146956 82293912