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70230684 = 22323793221
BaseRepresentation
bin1000010111110…
…10001010011100
311220011002101110
410023322022130
5120434340214
610545142020
71511644116
oct413721234
9156132343
1070230684
1136709397
121b62a910
131171c824
1494823b6
156274159
hex42fa29c

70230684 has 48 divisors (see below), whose sum is σ = 173214720. Its totient is φ = 22102080.

The previous prime is 70230683. The next prime is 70230733. The reversal of 70230684 is 48603207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70230683) 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, 20194 + ... + 23414.

It is an arithmetic number, because the mean of its divisors is an integer number (3608640).

Almost surely, 270230684 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 70230684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86607360).

70230684 is an abundant number, since it is smaller than the sum of its proper divisors (102984036).

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

70230684 is a wasteful number, since it uses less digits than its factorization.

70230684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330 (or 3328 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 70230684 is about 8380.3749319467. The cubic root of 70230684 is about 412.5807548049.

The spelling of 70230684 in words is "seventy million, two hundred thirty thousand, six hundred eighty-four".

Divisors: 1 2 3 4 6 12 23 46 69 79 92 138 158 237 276 316 474 948 1817 3221 3634 5451 6442 7268 9663 10902 12884 19326 21804 38652 74083 148166 222249 254459 296332 444498 508918 763377 888996 1017836 1526754 3053508 5852557 11705114 17557671 23410228 35115342 70230684