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213110497 = 4130716931
BaseRepresentation
bin11001011001111…
…00111011100001
3112212000010122101
430230330323201
5414024013442
633051410401
75165260255
oct1454747341
9485003571
10213110497
11aa328086
125b453a01
13351c78b2
1420436265
1513a98cb7
hexcb3cee1

213110497 has 8 divisors (see below), whose sum is σ = 219032352. Its totient is φ = 207223200.

The previous prime is 213110483. The next prime is 213110501. The reversal of 213110497 is 794011312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-213110497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213110437) 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, 4122 + ... + 21052.

It is an arithmetic number, because the mean of its divisors is an integer number (27379044).

Almost surely, 2213110497 is an apocalyptic number.

It is an amenable number.

213110497 is a deficient number, since it is larger than the sum of its proper divisors (5921855).

213110497 is a wasteful number, since it uses less digits than its factorization.

213110497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17279.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 213110497 is about 14598.3045933423. The cubic root of 213110497 is about 597.3125146024.

The spelling of 213110497 in words is "two hundred thirteen million, one hundred ten thousand, four hundred ninety-seven".

Divisors: 1 41 307 12587 16931 694171 5197817 213110497