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4992720 = 243571293
BaseRepresentation
bin10011000010111011010000
3100101122201120
4103002323100
52234231340
6255002240
760303015
oct23027320
910348646
104992720
112900117
121809380
13105a695
1493d70c
156894d0
hex4c2ed0

4992720 has 80 divisors (see below), whose sum is σ = 15748992. Its totient is φ = 1308160.

The previous prime is 4992709. The next prime is 4992731. The reversal of 4992720 is 272994.

It is an interprime number because it is at equal distance from previous prime (4992709) and next prime (4992731).

It is a tau number, because it is divible by the number of its divisors (80).

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, 16894 + ... + 17186.

Almost surely, 24992720 is an apocalyptic number.

4992720 is a gapful number since it is divisible by the number (40) 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 4992720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7874496).

4992720 is an abundant number, since it is smaller than the sum of its proper divisors (10756272).

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

4992720 is a wasteful number, since it uses less digits than its factorization.

4992720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 4992720 is about 2234.4395270403. The cubic root of 4992720 is about 170.9145635242.

The spelling of 4992720 in words is "four million, nine hundred ninety-two thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 71 80 120 142 213 240 284 293 355 426 568 586 710 852 879 1065 1136 1172 1420 1465 1704 1758 2130 2344 2840 2930 3408 3516 4260 4395 4688 5680 5860 7032 8520 8790 11720 14064 17040 17580 20803 23440 35160 41606 62409 70320 83212 104015 124818 166424 208030 249636 312045 332848 416060 499272 624090 832120 998544 1248180 1664240 2496360 4992720