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16977282 = 237404221
BaseRepresentation
bin100000011000…
…0110110000010
31011221112110020
41000300312002
513321233112
61403514310
7264206310
oct100606602
934845406
1016977282
119646313
125828996
13369563a
14237d0b0
15175548c
hex1030d82

16977282 has 16 divisors (see below), whose sum is σ = 38805312. Its totient is φ = 4850640.

The previous prime is 16977281. The next prime is 16977319. The reversal of 16977282 is 28277961.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 404221 = 16977282 / (1 + 6 + 9 + 7 + 7 + 2 + 8 + 2).

It is not an unprimeable number, because it can be changed into a prime (16977281) 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, 202069 + ... + 202152.

It is an arithmetic number, because the mean of its divisors is an integer number (2425332).

Almost surely, 216977282 is an apocalyptic number.

16977282 is an abundant number, since it is smaller than the sum of its proper divisors (21828030).

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

16977282 is a wasteful number, since it uses less digits than its factorization.

16977282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404233.

The product of its digits is 84672, while the sum is 42.

The square root of 16977282 is about 4120.3497424369. The cubic root of 16977282 is about 257.0135700163.

The spelling of 16977282 in words is "sixteen million, nine hundred seventy-seven thousand, two hundred eighty-two".

Divisors: 1 2 3 6 7 14 21 42 404221 808442 1212663 2425326 2829547 5659094 8488641 16977282