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72069846 = 2312011641
BaseRepresentation
bin1000100101110…
…11001011010110
312000121112020120
410102323023112
5121422213341
611052412410
71533404112
oct422731326
9160545216
1072069846
1137755162
1220177106
1311c149a4
149800742
1564d9066
hex44bb2d6

72069846 has 8 divisors (see below), whose sum is σ = 144139704. Its totient is φ = 24023280.

The previous prime is 72069827. The next prime is 72069859. The reversal of 72069846 is 64896027.

It is a sphenic number, since it is the product of 3 distinct primes.

72069846 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 72069798 and 72069807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6005815 + ... + 6005826.

It is an arithmetic number, because the mean of its divisors is an integer number (18017463).

Almost surely, 272069846 is an apocalyptic number.

72069846 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72069846 is a wasteful number, since it uses less digits than its factorization.

72069846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12011646.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 72069846 is about 8489.3960915957. The cubic root of 72069846 is about 416.1512447773.

The spelling of 72069846 in words is "seventy-two million, sixty-nine thousand, eight hundred forty-six".

Divisors: 1 2 3 6 12011641 24023282 36034923 72069846