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70109002 = 235054501
BaseRepresentation
bin1000010110111…
…00011101001010
311212220220110201
410023130131022
5120421442002
610542402414
71510626265
oct413343512
9155826421
1070109002
1136635a27
121b59040a
13116a9322
14944dcdc
15624d087
hex42dc74a

70109002 has 4 divisors (see below), whose sum is σ = 105163506. Its totient is φ = 35054500.

The previous prime is 70108999. The next prime is 70109023. The reversal of 70109002 is 20090107.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20090107 = 171181771.

It can be written as a sum of positive squares in only one way, i.e., 56866681 + 13242321 = 7541^2 + 3639^2 .

It is a super-2 number, since 2×701090022 = 9830544322872008, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 17527249 + ... + 17527252.

Almost surely, 270109002 is an apocalyptic number.

70109002 is a deficient number, since it is larger than the sum of its proper divisors (35054504).

70109002 is a wasteful number, since it uses less digits than its factorization.

70109002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35054503.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 70109002 is about 8373.1118468584. Note that the first 3 decimals coincide. The cubic root of 70109002 is about 412.3423372983.

Adding to 70109002 its reverse (20090107), we get a palindrome (90199109).

The spelling of 70109002 in words is "seventy million, one hundred nine thousand, two".

Divisors: 1 2 35054501 70109002