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70780099 = 1331175633
BaseRepresentation
bin1000011100000…
…00010011000011
311221012000001011
410032000103003
5121104430344
611005021351
71516422655
oct416002303
9157160034
1070780099
1136a54155
121b854857
1311882920
1495866d5
156331d34
hex43804c3

70780099 has 8 divisors (see below), whose sum is σ = 78684032. Its totient is φ = 63227520.

The previous prime is 70780079. The next prime is 70780103. The reversal of 70780099 is 99008707.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70780099 - 25 = 70780067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70780049) 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, 87414 + ... + 88219.

It is an arithmetic number, because the mean of its divisors is an integer number (9835504).

Almost surely, 270780099 is an apocalyptic number.

70780099 is a deficient number, since it is larger than the sum of its proper divisors (7903933).

70780099 is a wasteful number, since it uses less digits than its factorization.

70780099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175677.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 70780099 is about 8413.0909302111. The cubic root of 70780099 is about 413.6538351975.

The spelling of 70780099 in words is "seventy million, seven hundred eighty thousand, ninety-nine".

Divisors: 1 13 31 403 175633 2283229 5444623 70780099