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20715414 = 2341107787
BaseRepresentation
bin100111100000…
…1011110010110
31102222110012120
41033001132112
520300343124
62020000410
7341035536
oct117013626
942873176
1020715414
1110769885
126b30106
1343a3c55
142a734c6
151c42d79
hex13c1796

20715414 has 32 divisors (see below), whose sum is σ = 42892416. Its totient is φ = 6665280.

The previous prime is 20715413. The next prime is 20715473. The reversal of 20715414 is 41451702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20715413) by changing a digit.

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, 25929 + ... + 26715.

It is an arithmetic number, because the mean of its divisors is an integer number (1340388).

Almost surely, 220715414 is an apocalyptic number.

20715414 is an abundant number, since it is smaller than the sum of its proper divisors (22177002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20715414 is a wasteful number, since it uses less digits than its factorization.

20715414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 20715414 is about 4551.4188996400. The cubic root of 20715414 is about 274.6404734215.

The spelling of 20715414 in words is "twenty million, seven hundred fifteen thousand, four hundred fourteen".

Divisors: 1 2 3 6 41 82 107 123 214 246 321 642 787 1574 2361 4387 4722 8774 13161 26322 32267 64534 84209 96801 168418 193602 252627 505254 3452569 6905138 10357707 20715414