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70042302 = 23211232159
BaseRepresentation
bin1000010110011…
…00001010111110
311212210111222100
410023030022332
5120412323202
610541125530
71510230651
oct413141276
9155714870
1070042302
113659a900
121b5598a6
1311684b65
149433898
15623841c
hex42cc2be

70042302 has 36 divisors (see below), whose sum is σ = 166813920. Its totient is φ = 21224280.

The previous prime is 70042249. The next prime is 70042327. The reversal of 70042302 is 20324007.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 in 17 ways as a sum of consecutive naturals, for example, 13902 + ... + 18257.

It is an arithmetic number, because the mean of its divisors is an integer number (4633720).

Almost surely, 270042302 is an apocalyptic number.

70042302 is an abundant number, since it is smaller than the sum of its proper divisors (96771618).

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

70042302 is a wasteful number, since it uses less digits than its factorization.

70042302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32189 (or 32175 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 70042302 is about 8369.1279115569. The cubic root of 70042302 is about 412.2115316495.

Adding to 70042302 its reverse (20324007), we get a palindrome (90366309).

The spelling of 70042302 in words is "seventy million, forty-two thousand, three hundred two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 121 198 242 363 726 1089 2178 32159 64318 96477 192954 289431 353749 578862 707498 1061247 2122494 3183741 3891239 6367482 7782478 11673717 23347434 35021151 70042302