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70303092 = 223172511373
BaseRepresentation
bin1000011000010…
…11110101110100
311220021202201020
410030023311310
5120444144332
610550501140
71512365166
oct414136564
9156252636
1070303092
1136758832
121b6647b0
1311746782
1494a0936
15628a82c
hex430bd74

70303092 has 48 divisors (see below), whose sum is σ = 174508992. Its totient is φ = 21952000.

The previous prime is 70303067. The next prime is 70303099. The reversal of 70303092 is 29030307.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70303099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50518 + ... + 51890.

It is an arithmetic number, because the mean of its divisors is an integer number (3635604).

Almost surely, 270303092 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 70303092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87254496).

70303092 is an abundant number, since it is smaller than the sum of its proper divisors (104205900).

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

70303092 is a wasteful number, since it uses less digits than its factorization.

70303092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648 (or 1646 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 24.

The square root of 70303092 is about 8384.6939121234. The cubic root of 70303092 is about 412.7224966794.

Adding to 70303092 its reverse (29030307), we get a palindrome (99333399).

The spelling of 70303092 in words is "seventy million, three hundred three thousand, ninety-two".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 251 502 753 1004 1373 1506 2746 3012 4119 4267 5492 8238 8534 12801 16476 17068 23341 25602 46682 51204 70023 93364 140046 280092 344623 689246 1033869 1378492 2067738 4135476 5858591 11717182 17575773 23434364 35151546 70303092