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70688363 = 174158139
BaseRepresentation
bin1000011011010…
…01111001101011
311221000100012112
410031221321223
5121044011423
611003032535
71515561344
oct415517153
9157010175
1070688363
11369a1239
121b80b74b
131184cc45
1495610cb
156314a78
hex4369e6b

70688363 has 4 divisors (see below), whose sum is σ = 74846520. Its totient is φ = 66530208.

The previous prime is 70688347. The next prime is 70688383. The reversal of 70688363 is 36388607.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70688363 - 24 = 70688347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70688363.

It is not an unprimeable number, because it can be changed into a prime (70688323) 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, 2079053 + ... + 2079086.

It is an arithmetic number, because the mean of its divisors is an integer number (18711630).

Almost surely, 270688363 is an apocalyptic number.

70688363 is a deficient number, since it is larger than the sum of its proper divisors (4158157).

70688363 is a wasteful number, since it uses less digits than its factorization.

70688363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4158156.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 70688363 is about 8407.6371829427. The cubic root of 70688363 is about 413.4750497547.

The spelling of 70688363 in words is "seventy million, six hundred eighty-eight thousand, three hundred sixty-three".

Divisors: 1 17 4158139 70688363