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16912998 = 232939611
BaseRepresentation
bin100000010000…
…1001001100110
31011211021021100
41000201021212
513312203443
61402300530
7263521014
oct100411146
934737240
1016912998
119601a93
1257b7746
1336722bb
1423638b4
1517413d3
hex1021266

16912998 has 12 divisors (see below), whose sum is σ = 36644868. Its totient is φ = 5637660.

The previous prime is 16912991. The next prime is 16913009. The reversal of 16912998 is 89921961.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16912991) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 469788 + ... + 469823.

It is an arithmetic number, because the mean of its divisors is an integer number (3053739).

Almost surely, 216912998 is an apocalyptic number.

16912998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16912998 is an abundant number, since it is smaller than the sum of its proper divisors (19731870).

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

16912998 is a wasteful number, since it uses less digits than its factorization.

16912998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939619 (or 939616 counting only the distinct ones).

The product of its digits is 69984, while the sum is 45.

The square root of 16912998 is about 4112.5415499421. The cubic root of 16912998 is about 256.6887681723.

The spelling of 16912998 in words is "sixteen million, nine hundred twelve thousand, nine hundred ninety-eight".

Divisors: 1 2 3 6 9 18 939611 1879222 2818833 5637666 8456499 16912998