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70982862 = 23103114859
BaseRepresentation
bin1000011101100…
…01110011001110
311221120022011220
410032301303032
5121132422422
611013224210
71521226056
oct416616316
9157508156
1070982862
1137082525
121b932066
1311923cc2
1495da566
156371e5c
hex43b1cce

70982862 has 16 divisors (see below), whose sum is σ = 143345280. Its totient is φ = 23431032.

The previous prime is 70982861. The next prime is 70982869. The reversal of 70982862 is 26828907.

It is a happy number.

It is a super-2 number, since 2×709828622 = 10077133395422088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70982861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56812 + ... + 58047.

It is an arithmetic number, because the mean of its divisors is an integer number (8959080).

Almost surely, 270982862 is an apocalyptic number.

70982862 is an abundant number, since it is smaller than the sum of its proper divisors (72362418).

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

70982862 is a wasteful number, since it uses less digits than its factorization.

70982862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114967.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 70982862 is about 8425.1327585979. The cubic root of 70982862 is about 414.0484552027.

The spelling of 70982862 in words is "seventy million, nine hundred eighty-two thousand, eight hundred sixty-two".

Divisors: 1 2 3 6 103 206 309 618 114859 229718 344577 689154 11830477 23660954 35491431 70982862