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70506842 = 2743173677
BaseRepresentation
bin1000011001111…
…01100101011010
311220200010012112
410030331211122
5121022204332
610555112322
71514204210
oct414754532
9156603175
1070506842
113688791a
121b7426a2
13117b8433
149514cb0
1562cadb2
hex433d95a

70506842 has 32 divisors (see below), whose sum is σ = 124578432. Its totient is φ = 29300544.

The previous prime is 70506841. The next prime is 70506851. The reversal of 70506842 is 24860507.

It is a junction number, because it is equal to n+sod(n) for n = 70506799 and 70506808.

It is not an unprimeable number, because it can be changed into a prime (70506841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103808 + ... + 104484.

It is an arithmetic number, because the mean of its divisors is an integer number (3893076).

Almost surely, 270506842 is an apocalyptic number.

70506842 is a deficient number, since it is larger than the sum of its proper divisors (54071590).

70506842 is a wasteful number, since it uses less digits than its factorization.

70506842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 70506842 is about 8396.8352371593. The cubic root of 70506842 is about 413.1208248285.

The spelling of 70506842 in words is "seventy million, five hundred six thousand, eight hundred forty-two".

Divisors: 1 2 7 14 43 86 173 301 346 602 677 1211 1354 2422 4739 7439 9478 14878 29111 52073 58222 104146 117121 203777 234242 407554 819847 1639694 5036203 10072406 35253421 70506842