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70302109 = 1937100003
BaseRepresentation
bin1000011000010…
…11100110011101
311220021201100211
410030023212131
5120444131414
610550452421
71512362263
oct414134635
9156251324
1070302109
1136758019
121b664111
13117461a7
1494a0433
15628a3c4
hex430b99d

70302109 has 8 divisors (see below), whose sum is σ = 76003040. Its totient is φ = 64801296.

The previous prime is 70302107. The next prime is 70302121. The reversal of 70302109 is 90120307.

70302109 = T1542 + T1543 + ... + T1598.

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

It is a cyclic number.

It is not a de Polignac number, because 70302109 - 21 = 70302107 is a prime.

70302109 is a modest number, since divided by 2109 gives 703 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 70302109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70302101) 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 7 ways as a sum of consecutive naturals, for example, 49299 + ... + 50704.

It is an arithmetic number, because the mean of its divisors is an integer number (9500380).

Almost surely, 270302109 is an apocalyptic number.

It is an amenable number.

70302109 is a deficient number, since it is larger than the sum of its proper divisors (5700931).

70302109 is a wasteful number, since it uses less digits than its factorization.

70302109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100059.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 70302109 is about 8384.6352932015. The cubic root of 70302109 is about 412.7205730651.

The spelling of 70302109 in words is "seventy million, three hundred two thousand, one hundred nine".

Divisors: 1 19 37 703 100003 1900057 3700111 70302109