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70824532 = 22121714549
BaseRepresentation
bin1000011100010…
…11001001010100
311221021020222211
410032023021110
5121112341112
611010003204
71516666342
oct416131124
9157236884
1070824532
1136a84579
121b876504
1311899c0c
149598992
1563400a7
hex438b254

70824532 has 12 divisors (see below), whose sum is σ = 124053300. Its totient is φ = 35380736.

The previous prime is 70824529. The next prime is 70824539. The reversal of 70824532 is 23542807.

It can be written as a sum of positive squares in 2 ways, for example, as 42458256 + 28366276 = 6516^2 + 5326^2 .

It is a super-2 number, since 2×708245322 = 10032228666038048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70824494 and 70824503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70824539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2407 + ... + 12142.

It is an arithmetic number, because the mean of its divisors is an integer number (10337775).

Almost surely, 270824532 is an apocalyptic number.

It is an amenable number.

70824532 is a deficient number, since it is larger than the sum of its proper divisors (53228768).

70824532 is a wasteful number, since it uses less digits than its factorization.

70824532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15770 (or 15768 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 70824532 is about 8415.7312219438. The cubic root of 70824532 is about 413.7403757007.

The spelling of 70824532 in words is "seventy million, eight hundred twenty-four thousand, five hundred thirty-two".

Divisors: 1 2 4 1217 2434 4868 14549 29098 58196 17706133 35412266 70824532