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71942328 = 2332999199
BaseRepresentation
bin1000100100111…
…00000010111000
312000101001022200
410102130002320
5121404123303
611045550200
71532333253
oct422340270
9160331280
1071942328
1137678377
1220115360
1311b9b933
1497aa09a
1564b13a3
hex449c0b8

71942328 has 24 divisors (see below), whose sum is σ = 194844000. Its totient is φ = 23980752.

The previous prime is 71942323. The next prime is 71942347. The reversal of 71942328 is 82324917.

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 junction number, because it is equal to n+sod(n) for n = 71942292 and 71942301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71942323) 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, 499528 + ... + 499671.

It is an arithmetic number, because the mean of its divisors is an integer number (8118500).

Almost surely, 271942328 is an apocalyptic number.

It is an amenable number.

71942328 is an abundant number, since it is smaller than the sum of its proper divisors (122901672).

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

71942328 is a wasteful number, since it uses less digits than its factorization.

71942328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999211 (or 999204 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 71942328 is about 8481.8823382549. The cubic root of 71942328 is about 415.9056584636.

The spelling of 71942328 in words is "seventy-one million, nine hundred forty-two thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 999199 1998398 2997597 3996796 5995194 7993592 8992791 11990388 17985582 23980776 35971164 71942328