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210124045 = 5318316333
BaseRepresentation
bin11001000011000…
…11110100001101
3112122101102000001
430201203310031
5412242432140
632503404301
75131011355
oct1441436415
9478342001
10210124045
11a867833a
125a453691
13346c0471
141dc99b65
15136a8e9a
hexc863d0d

210124045 has 16 divisors (see below), whose sum is σ = 263434752. Its totient is φ = 160706880.

The previous prime is 210124037. The next prime is 210124051. The reversal of 210124045 is 540421012.

It is not a de Polignac number, because 210124045 - 23 = 210124037 is a prime.

It is a super-2 number, since 2×2101240452 = 88304228574324050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4699 + ... + 21031.

It is an arithmetic number, because the mean of its divisors is an integer number (16464672).

Almost surely, 2210124045 is an apocalyptic number.

It is an amenable number.

210124045 is a deficient number, since it is larger than the sum of its proper divisors (53310707).

210124045 is a wasteful number, since it uses less digits than its factorization.

210124045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16452.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 210124045 is about 14495.6560734587. The cubic root of 210124045 is about 594.5092061766.

Adding to 210124045 its reverse (540421012), we get a palindrome (750545057).

The spelling of 210124045 in words is "two hundred ten million, one hundred twenty-four thousand, forty-five".

Divisors: 1 5 31 83 155 415 2573 12865 16333 81665 506323 1355639 2531615 6778195 42024809 210124045