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71425536 = 293721373
BaseRepresentation
bin1000100000111…
…01111000000000
311222101210102020
410100131320000
5121241104121
611030521440
71525051500
oct420357000
9158353366
1071425536
1137355076
121bb06280
1311a4a640
1496b3a00
15640d1c6
hex441de00

71425536 has 240 divisors, whose sum is σ = 241640784. Its totient is φ = 18579456.

The previous prime is 71425513. The next prime is 71425547. The reversal of 71425536 is 63552417.

It is a junction number, because it is equal to n+sod(n) for n = 71425497 and 71425506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 978396 + ... + 978468.

Almost surely, 271425536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71425536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120820392).

71425536 is an abundant number, since it is smaller than the sum of its proper divisors (170215248).

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

71425536 is a wasteful number, since it uses less digits than its factorization.

71425536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 98 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 71425536 is about 8451.3629670012. The cubic root of 71425536 is about 414.9073892151.

The spelling of 71425536 in words is "seventy-one million, four hundred twenty-five thousand, five hundred thirty-six".