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70028600 = 23523371039
BaseRepresentation
bin1000010110010…
…00110100111000
311212202211011212
410023020310320
5120411403400
610540542252
71510143005
oct413106470
9155684155
1070028600
1136590584
121b551988
131167b855
14942c8ac
156234335
hex42c8d38

70028600 has 48 divisors (see below), whose sum is σ = 163456800. Its totient is φ = 27901440.

The previous prime is 70028599. The next prime is 70028603. The reversal of 70028600 is 682007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70028603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66881 + ... + 67919.

It is an arithmetic number, because the mean of its divisors is an integer number (3405350).

Almost surely, 270028600 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 70028600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81728400).

70028600 is an abundant number, since it is smaller than the sum of its proper divisors (93428200).

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

70028600 is a wasteful number, since it uses less digits than its factorization.

70028600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392 (or 1383 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 70028600 is about 8368.3092677075. The cubic root of 70028600 is about 412.1846503192.

The spelling of 70028600 in words is "seventy million, twenty-eight thousand, six hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 337 674 1039 1348 1685 2078 2696 3370 4156 5195 6740 8312 8425 10390 13480 16850 20780 25975 33700 41560 51950 67400 103900 207800 350143 700286 1400572 1750715 2801144 3501430 7002860 8753575 14005720 17507150 35014300 70028600