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16742874 = 232790479
BaseRepresentation
bin111111110111…
…100111011010
31011111121220110
4333313213122
513241232444
61354505150
7262212021
oct77674732
934447813
1016742874
1194a6195
1257351b6
133612a35
14231b8b8
15170acb9
hexff79da

16742874 has 8 divisors (see below), whose sum is σ = 33485760. Its totient is φ = 5580956.

The previous prime is 16742861. The next prime is 16742897. The reversal of 16742874 is 47824761.

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

16742874 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1395234 + ... + 1395245.

It is an arithmetic number, because the mean of its divisors is an integer number (4185720).

Almost surely, 216742874 is an apocalyptic number.

16742874 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16742874 is a wasteful number, since it uses less digits than its factorization.

16742874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2790484.

The product of its digits is 75264, while the sum is 39.

The square root of 16742874 is about 4091.8057138628. The cubic root of 16742874 is about 255.8252082381.

The spelling of 16742874 in words is "sixteen million, seven hundred forty-two thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 2790479 5580958 8371437 16742874