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16742806 = 253157951
BaseRepresentation
bin111111110111…
…100110010110
31011111121210221
4333313212112
513241232211
61354504554
7262211563
oct77674626
934447727
1016742806
1194a6133
12573515a
1336129b2
14231b86a
15170ac71
hexff7996

16742806 has 8 divisors (see below), whose sum is σ = 25588224. Its totient is φ = 8213400.

The previous prime is 16742797. The next prime is 16742813. The reversal of 16742806 is 60824761.

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

It is a super-5 number, since 5×167428065 (a number of 37 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78870 + ... + 79081.

It is an arithmetic number, because the mean of its divisors is an integer number (3198528).

Almost surely, 216742806 is an apocalyptic number.

16742806 is a deficient number, since it is larger than the sum of its proper divisors (8845418).

16742806 is a wasteful number, since it uses less digits than its factorization.

16742806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158006.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 16742806 is about 4091.7974045644. The cubic root of 16742806 is about 255.8248618990.

The spelling of 16742806 in words is "sixteen million, seven hundred forty-two thousand, eight hundred six".

Divisors: 1 2 53 106 157951 315902 8371403 16742806