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4919992 = 237311163
BaseRepresentation
bin10010110001001010111000
3100020221221221
4102301022320
52224414432
6253241424
756551000
oct22611270
910227857
104919992
112860510
121793274
13103354c
14921000
15672b97
hex4b12b8

4919992 has 64 divisors (see below), whose sum is σ = 11808000. Its totient is φ = 1905120.

The previous prime is 4919989. The next prime is 4920023. The reversal of 4919992 is 2999194.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30103 + ... + 30265.

It is an arithmetic number, because the mean of its divisors is an integer number (184500).

Almost surely, 24919992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4919992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5904000).

4919992 is an abundant number, since it is smaller than the sum of its proper divisors (6888008).

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

4919992 is a wasteful number, since it uses less digits than its factorization.

4919992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 183 counting only the distinct ones).

The product of its digits is 52488, while the sum is 43.

The square root of 4919992 is about 2218.1054979419. The cubic root of 4919992 is about 170.0806076782.

The spelling of 4919992 in words is "four million, nine hundred nineteen thousand, nine hundred ninety-two".

Divisors: 1 2 4 7 8 11 14 22 28 44 49 56 77 88 98 154 163 196 308 326 343 392 539 616 652 686 1078 1141 1304 1372 1793 2156 2282 2744 3586 3773 4312 4564 7172 7546 7987 9128 12551 14344 15092 15974 25102 30184 31948 50204 55909 63896 87857 100408 111818 175714 223636 351428 447272 614999 702856 1229998 2459996 4919992