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71532468 = 22327283859
BaseRepresentation
bin1000100001101…
…11111110110100
311222121020002200
410100313332310
5121303014333
611033104500
71526005320
oct420677664
9158536080
1071532468
1137418447
121bb58130
1311a87207
149700980
15642ec13
hex4437fb4

71532468 has 36 divisors (see below), whose sum is σ = 206650080. Its totient is φ = 20437776.

The previous prime is 71532451. The next prime is 71532493. The reversal of 71532468 is 86423517.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141678 + ... + 142181.

It is an arithmetic number, because the mean of its divisors is an integer number (5740280).

Almost surely, 271532468 is an apocalyptic number.

It is an amenable number.

71532468 is an abundant number, since it is smaller than the sum of its proper divisors (135117612).

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

71532468 is a wasteful number, since it uses less digits than its factorization.

71532468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283876 (or 283871 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 71532468 is about 8457.6869178281. The cubic root of 71532468 is about 415.1143401979.

The spelling of 71532468 in words is "seventy-one million, five hundred thirty-two thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 283859 567718 851577 1135436 1703154 1987013 2554731 3406308 3974026 5109462 5961039 7948052 10218924 11922078 17883117 23844156 35766234 71532468