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16920701 = 72417243
BaseRepresentation
bin100000010001…
…1000001111101
31011211122211122
41000203001331
513312430301
61402400325
7263552330
oct100430175
934748748
1016920701
119607856
1258000a5
133675965
142366617
15174381b
hex102307d

16920701 has 4 divisors (see below), whose sum is σ = 19337952. Its totient is φ = 14503452.

The previous prime is 16920679. The next prime is 16920713. The reversal of 16920701 is 10702961.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16920701 - 210 = 16919677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16920721) 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, 1208615 + ... + 1208628.

It is an arithmetic number, because the mean of its divisors is an integer number (4834488).

Almost surely, 216920701 is an apocalyptic number.

It is an amenable number.

16920701 is a deficient number, since it is larger than the sum of its proper divisors (2417251).

16920701 is an equidigital number, since it uses as much as digits as its factorization.

16920701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417250.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 16920701 is about 4113.4779688239. The cubic root of 16920701 is about 256.7277317646.

The spelling of 16920701 in words is "sixteen million, nine hundred twenty thousand, seven hundred one".

Divisors: 1 7 2417243 16920701