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16961371 = 73178163
BaseRepresentation
bin100000010110…
…0111101011011
31011220201121221
41000230331123
513320230441
61403312511
7264112030
oct100547533
934821557
1016961371
119635369
12581b737
13368b31b
142377387
1517508d1
hex102cf5b

16961371 has 8 divisors (see below), whose sum is σ = 20009984. Its totient is φ = 14069160.

The previous prime is 16961363. The next prime is 16961383. The reversal of 16961371 is 17316961.

16961371 is nontrivially palindromic in base 11.

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

It is not a de Polignac number, because 16961371 - 23 = 16961363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16961311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38865 + ... + 39298.

It is an arithmetic number, because the mean of its divisors is an integer number (2501248).

Almost surely, 216961371 is an apocalyptic number.

16961371 is a deficient number, since it is larger than the sum of its proper divisors (3048613).

16961371 is an equidigital number, since it uses as much as digits as its factorization.

16961371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78201.

The product of its digits is 6804, while the sum is 34.

The square root of 16961371 is about 4118.4185071457. The cubic root of 16961371 is about 256.9332544299.

The spelling of 16961371 in words is "sixteen million, nine hundred sixty-one thousand, three hundred seventy-one".

Divisors: 1 7 31 217 78163 547141 2423053 16961371