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40680199 = 77379609
BaseRepresentation
bin1001101100101…
…1101100000111
32211112202202001
42123023230013
540403231244
64011530131
71002530110
oct233135407
984482661
1040680199
1120a656aa
1211759947
138574331
14558d207
1538885d4
hex26cbb07

40680199 has 8 divisors (see below), whose sum is σ = 47129120. Its totient is φ = 34390656.

The previous prime is 40680187. The next prime is 40680251. The reversal of 40680199 is 99108604.

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 40680199 - 211 = 40678151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40680109) 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, 39294 + ... + 40315.

It is an arithmetic number, because the mean of its divisors is an integer number (5891140).

Almost surely, 240680199 is an apocalyptic number.

40680199 is a deficient number, since it is larger than the sum of its proper divisors (6448921).

40680199 is an equidigital number, since it uses as much as digits as its factorization.

40680199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79689.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 40680199 is about 6378.1030879094. The cubic root of 40680199 is about 343.9228435890.

The spelling of 40680199 in words is "forty million, six hundred eighty thousand, one hundred ninety-nine".

Divisors: 1 7 73 511 79609 557263 5811457 40680199