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70287804 = 2233650813
BaseRepresentation
bin1000011000010…
…00000110111100
311220020222202000
410030020012330
5120443202204
610550302300
71512302466
oct414100674
9156228660
1070287804
11367482a4
121b657990
131173c822
149499136
156286039
hex43081bc

70287804 has 24 divisors (see below), whose sum is σ = 182227920. Its totient is φ = 23429232.

The previous prime is 70287797. The next prime is 70287823. The reversal of 70287804 is 40878207.

It is a super-2 number, since 2×702878042 = 9880750782284832, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325299 + ... + 325514.

It is an arithmetic number, because the mean of its divisors is an integer number (7592830).

Almost surely, 270287804 is an apocalyptic number.

It is an amenable number.

70287804 is an abundant number, since it is smaller than the sum of its proper divisors (111940116).

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

70287804 is a wasteful number, since it uses less digits than its factorization.

70287804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650826 (or 650818 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 70287804 is about 8383.7822013695. The cubic root of 70287804 is about 412.6925778486.

The spelling of 70287804 in words is "seventy million, two hundred eighty-seven thousand, eight hundred four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 650813 1301626 1952439 2603252 3904878 5857317 7809756 11714634 17571951 23429268 35143902 70287804