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16976497 = 19978501
BaseRepresentation
bin100000011000…
…0101001110001
31011221111101011
41000300221301
513321221442
61403510521
7264204106
oct100605161
934844334
1016976497
11964576a
125828441
133695185
14237caad
151755117
hex1030a71

16976497 has 4 divisors (see below), whose sum is σ = 16986996. Its totient is φ = 16966000.

The previous prime is 16976467. The next prime is 16976503. The reversal of 16976497 is 79467961.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 848241 + 16128256 = 921^2 + 4016^2 .

It is a cyclic number.

It is not a de Polignac number, because 16976497 - 223 = 8587889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16976497.

It is not an unprimeable number, because it can be changed into a prime (16976467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2254 + ... + 6247.

It is an arithmetic number, because the mean of its divisors is an integer number (4246749).

Almost surely, 216976497 is an apocalyptic number.

It is an amenable number.

16976497 is a deficient number, since it is larger than the sum of its proper divisors (10499).

16976497 is an equidigital number, since it uses as much as digits as its factorization.

16976497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10498.

The product of its digits is 571536, while the sum is 49.

The square root of 16976497 is about 4120.2544824319. The cubic root of 16976497 is about 257.0096086684.

The spelling of 16976497 in words is "sixteen million, nine hundred seventy-six thousand, four hundred ninety-seven".

Divisors: 1 1997 8501 16976497