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70083816 = 23311713739
BaseRepresentation
bin1000010110101…
…10010011101000
311212212121220220
410023112103220
5120420140231
610542050040
71510462665
oct413262350
9155777826
1070083816
1136619010
121b579920
131169aa1a
149444a6c
156245896
hex42d64e8

70083816 has 64 divisors (see below), whose sum is σ = 193881600. Its totient is φ = 20932800.

The previous prime is 70083803. The next prime is 70083841. The reversal of 70083816 is 61838007.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16875 + ... + 20613.

It is an arithmetic number, because the mean of its divisors is an integer number (3029400).

Almost surely, 270083816 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 70083816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96940800).

70083816 is an abundant number, since it is smaller than the sum of its proper divisors (123797784).

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

70083816 is a wasteful number, since it uses less digits than its factorization.

70083816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3830 (or 3826 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 70083816 is about 8371.6077308961. The cubic root of 70083816 is about 412.2929546814.

The spelling of 70083816 in words is "seventy million, eighty-three thousand, eight hundred sixteen".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 71 88 132 142 213 264 284 426 568 781 852 1562 1704 2343 3124 3739 4686 6248 7478 9372 11217 14956 18744 22434 29912 41129 44868 82258 89736 123387 164516 246774 265469 329032 493548 530938 796407 987096 1061876 1592814 2123752 2920159 3185628 5840318 6371256 8760477 11680636 17520954 23361272 35041908 70083816