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70086500 = 22531112743
BaseRepresentation
bin1000010110101…
…10111101100100
311212212202121022
410023112331210
5120420232000
610542110312
71510503551
oct413267544
9155782538
1070086500
1136620030
121b57b398
131169c003
149445a28
156246585
hex42d6f64

70086500 has 48 divisors (see below), whose sum is σ = 166997376. Its totient is φ = 25484000.

The previous prime is 70086487. The next prime is 70086539. The reversal of 70086500 is 568007.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 70086500.

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, 872 + ... + 11871.

It is an arithmetic number, because the mean of its divisors is an integer number (3479112).

Almost surely, 270086500 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 70086500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83498688).

70086500 is an abundant number, since it is smaller than the sum of its proper divisors (96910876).

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

70086500 is a wasteful number, since it uses less digits than its factorization.

70086500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12773 (or 12761 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 70086500 is about 8371.7680330979. The cubic root of 70086500 is about 412.2982178088.

The spelling of 70086500 in words is "seventy million, eighty-six thousand, five hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 125 220 250 275 500 550 1100 1375 2750 5500 12743 25486 50972 63715 127430 140173 254860 280346 318575 560692 637150 700865 1274300 1401730 1592875 2803460 3185750 3504325 6371500 7008650 14017300 17521625 35043250 70086500