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19920414 = 2331107099
BaseRepresentation
bin100101111111…
…1011000011110
31101111001200010
41023333120132
520044423124
61550544050
7331215003
oct113773036
941431603
1019920414
1110276558
126808026
134186137
1429078aa
151b37529
hex12ff61e

19920414 has 16 divisors (see below), whose sum is σ = 41126400. Its totient is φ = 6425880.

The previous prime is 19920401. The next prime is 19920427. The reversal of 19920414 is 41402991.

It is an interprime number because it is at equal distance from previous prime (19920401) and next prime (19920427).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53364 + ... + 53735.

It is an arithmetic number, because the mean of its divisors is an integer number (2570400).

Almost surely, 219920414 is an apocalyptic number.

19920414 is an abundant number, since it is smaller than the sum of its proper divisors (21205986).

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

19920414 is a wasteful number, since it uses less digits than its factorization.

19920414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107135.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 19920414 is about 4463.2291001023. The cubic root of 19920414 is about 271.0812336186.

The spelling of 19920414 in words is "nineteen million, nine hundred twenty thousand, four hundred fourteen".

Divisors: 1 2 3 6 31 62 93 186 107099 214198 321297 642594 3320069 6640138 9960207 19920414