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4744992 = 253723307
BaseRepresentation
bin10010000110011100100000
322221001220110
4102012130200
52203314432
6245411320
755221540
oct22063440
98831813
104744992
112750a8a
121709b40
13ca19b5
148b7320
1563adcc
hex486720

4744992 has 96 divisors (see below), whose sum is σ = 14902272. Its totient is φ = 1292544.

The previous prime is 4744963. The next prime is 4744997. The reversal of 4744992 is 2994474.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 4744992.

It is not an unprimeable number, because it can be changed into a prime (4744997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15303 + ... + 15609.

It is an arithmetic number, because the mean of its divisors is an integer number (155232).

Almost surely, 24744992 is an apocalyptic number.

4744992 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4744992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7451136).

4744992 is an abundant number, since it is smaller than the sum of its proper divisors (10157280).

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

4744992 is a wasteful number, since it uses less digits than its factorization.

4744992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 342 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 4744992 is about 2178.3002547858. The cubic root of 4744992 is about 168.0396731701.

The spelling of 4744992 in words is "four million, seven hundred forty-four thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 23 24 28 32 42 46 48 56 69 84 92 96 112 138 161 168 184 224 276 307 322 336 368 483 552 614 644 672 736 921 966 1104 1228 1288 1842 1932 2149 2208 2456 2576 3684 3864 4298 4912 5152 6447 7061 7368 7728 8596 9824 12894 14122 14736 15456 17192 21183 25788 28244 29472 34384 42366 49427 51576 56488 68768 84732 98854 103152 112976 148281 169464 197708 206304 225952 296562 338928 395416 593124 677856 790832 1186248 1581664 2372496 4744992