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16971230 = 254736109
BaseRepresentation
bin100000010111…
…1010111011110
31011221020011002
41000233113132
513321034410
61403430302
7264152543
oct100572736
934836132
1016971230
119641811
125825392
133692963
14237abca
1517537a5
hex102f5de

16971230 has 16 divisors (see below), whose sum is σ = 31199040. Its totient is φ = 6643872.

The previous prime is 16971223. The next prime is 16971239. The reversal of 16971230 is 3217961.

16971230 is nontrivially palindromic in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 16971193 and 16971202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16971239) 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, 17585 + ... + 18524.

It is an arithmetic number, because the mean of its divisors is an integer number (1949940).

Almost surely, 216971230 is an apocalyptic number.

16971230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16971230 is a deficient number, since it is larger than the sum of its proper divisors (14227810).

16971230 is a wasteful number, since it uses less digits than its factorization.

16971230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36163.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 16971230 is about 4119.6152732992. The cubic root of 16971230 is about 256.9830266312.

The spelling of 16971230 in words is "sixteen million, nine hundred seventy-one thousand, two hundred thirty".

Divisors: 1 2 5 10 47 94 235 470 36109 72218 180545 361090 1697123 3394246 8485615 16971230