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16290207 = 335471103
BaseRepresentation
bin111110001001…
…000110011111
31010122121222000
4332021012133
513132241312
61341053343
7255315213
oct76110637
933577860
1016290207
11921708a
125557253
1334b499b
142240943
15166badc
hexf8919f

16290207 has 16 divisors (see below), whose sum is σ = 24199680. Its totient is φ = 10830456.

The previous prime is 16290203. The next prime is 16290217. The reversal of 16290207 is 70209261.

It is not a de Polignac number, because 16290207 - 22 = 16290203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16290203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14218 + ... + 15320.

It is an arithmetic number, because the mean of its divisors is an integer number (1512480).

Almost surely, 216290207 is an apocalyptic number.

16290207 is a deficient number, since it is larger than the sum of its proper divisors (7909473).

16290207 is a wasteful number, since it uses less digits than its factorization.

16290207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659 (or 1653 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 16290207 is about 4036.1128576887. The cubic root of 16290207 is about 253.4985819745.

Adding to 16290207 its reverse (70209261), we get a palindrome (86499468).

The spelling of 16290207 in words is "sixteen million, two hundred ninety thousand, two hundred seven".

Divisors: 1 3 9 27 547 1103 1641 3309 4923 9927 14769 29781 603341 1810023 5430069 16290207