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20714694 = 23711133449
BaseRepresentation
bin100111100000…
…1010011000110
31102222102012220
41033001103012
520300332234
62015553210
7341033460
oct117012306
942872186
1020714694
1110769290
126b2b806
1343a3820
142a73130
151c42a49
hex13c14c6

20714694 has 64 divisors (see below), whose sum is σ = 55641600. Its totient is φ = 4965120.

The previous prime is 20714689. The next prime is 20714711. The reversal of 20714694 is 49641702.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4282 + ... + 7730.

It is an arithmetic number, because the mean of its divisors is an integer number (869400).

Almost surely, 220714694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20714694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27820800).

20714694 is an abundant number, since it is smaller than the sum of its proper divisors (34926906).

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

20714694 is a wasteful number, since it uses less digits than its factorization.

20714694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3485.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 20714694 is about 4551.3398027394. The cubic root of 20714694 is about 274.6372915166.

The spelling of 20714694 in words is "twenty million, seven hundred fourteen thousand, six hundred ninety-four".

Divisors: 1 2 3 6 7 11 13 14 21 22 26 33 39 42 66 77 78 91 143 154 182 231 273 286 429 462 546 858 1001 2002 3003 3449 6006 6898 10347 20694 24143 37939 44837 48286 72429 75878 89674 113817 134511 144858 227634 265573 269022 313859 493207 531146 627718 796719 941577 986414 1479621 1593438 1883154 2959242 3452449 6904898 10357347 20714694