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70021702 = 2276712653
BaseRepresentation
bin1000010110001…
…11001001000110
311212202110201101
410023013021012
5120411143302
610540450314
71510113622
oct413071106
9155673641
1070021702
1136586383
121b54999a
131167867a
14942a182
156232287
hex42c7246

70021702 has 8 divisors (see below), whose sum is σ = 105078816. Its totient is φ = 34995432.

The previous prime is 70021697. The next prime is 70021711. The reversal of 70021702 is 20712007.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 70021702.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 793 + ... + 11860.

It is an arithmetic number, because the mean of its divisors is an integer number (13134852).

Almost surely, 270021702 is an apocalyptic number.

70021702 is a deficient number, since it is larger than the sum of its proper divisors (35057114).

70021702 is a wasteful number, since it uses less digits than its factorization.

70021702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15422.

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 70021702 is about 8367.8971073980. The cubic root of 70021702 is about 412.1711161200.

Adding to 70021702 its reverse (20712007), we get a palindrome (90733709).

The spelling of 70021702 in words is "seventy million, twenty-one thousand, seven hundred two".

Divisors: 1 2 2767 5534 12653 25306 35010851 70021702