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70825436 = 22111609669
BaseRepresentation
bin1000011100010…
…11010111011100
311221021022020022
410032023113130
5121112403221
611010011312
71520002103
oct416132734
9157238208
1070825436
1136a85220
121b876b38
131189a456
14959903a
1563404ab
hex438b5dc

70825436 has 12 divisors (see below), whose sum is σ = 135212280. Its totient is φ = 32193360.

The previous prime is 70825387. The next prime is 70825439. The reversal of 70825436 is 63452807.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 70825396 and 70825405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70825439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804791 + ... + 804878.

It is an arithmetic number, because the mean of its divisors is an integer number (11267690).

Almost surely, 270825436 is an apocalyptic number.

It is an amenable number.

70825436 is a deficient number, since it is larger than the sum of its proper divisors (64386844).

70825436 is a wasteful number, since it uses less digits than its factorization.

70825436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609684 (or 1609682 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 70825436 is about 8415.7849307120. The cubic root of 70825436 is about 413.7421360121.

The spelling of 70825436 in words is "seventy million, eight hundred twenty-five thousand, four hundred thirty-six".

Divisors: 1 2 4 11 22 44 1609669 3219338 6438676 17706359 35412718 70825436