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16706442 = 237139217
BaseRepresentation
bin111111101110…
…101110001010
31011102202221010
4333232232022
513234101232
61354024350
7262000554
oct77565612
934382833
1016706442
119480885
1257180b6
1335cc28c
14230c4d4
1517000cc
hexfeeb8a

16706442 has 16 divisors (see below), whose sum is σ = 33884352. Its totient is φ = 5490240.

The previous prime is 16706419. The next prime is 16706447. The reversal of 16706442 is 24460761.

It is not an unprimeable number, because it can be changed into a prime (16706447) 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, 19183 + ... + 20034.

It is an arithmetic number, because the mean of its divisors is an integer number (2117772).

Almost surely, 216706442 is an apocalyptic number.

16706442 is an abundant number, since it is smaller than the sum of its proper divisors (17177910).

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

16706442 is a wasteful number, since it uses less digits than its factorization.

16706442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39293.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 16706442 is about 4087.3514651911. The cubic root of 16706442 is about 255.6395174511.

The spelling of 16706442 in words is "sixteen million, seven hundred six thousand, four hundred forty-two".

Divisors: 1 2 3 6 71 142 213 426 39217 78434 117651 235302 2784407 5568814 8353221 16706442