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4992800 = 2552792
BaseRepresentation
bin10011000010111100100000
3100101122211112
4103002330200
52234232200
6255002452
760303161
oct23027440
910348745
104992800
11290018a
121809428
13105a727
1493d768
15689535
hex4c2f20

4992800 has 54 divisors (see below), whose sum is σ = 12344913. Its totient is φ = 1971840.

The previous prime is 4992787. The next prime is 4992809. The reversal of 4992800 is 82994.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 4892944 + 99856 = 2212^2 + 316^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=1580.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4992809) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 63161 + ... + 63239.

Almost surely, 24992800 is an apocalyptic number.

4992800 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 4992800

4992800 is an abundant number, since it is smaller than the sum of its proper divisors (7352113).

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

4992800 is an equidigital number, since it uses as much as digits as its factorization.

4992800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 4992800 is about 2234.4574285495. The cubic root of 4992800 is about 170.9154763928.

Multiplying 4992800 by its sum of digits (32), we get a square (159769600 = 126402).

4992800 divided by its sum of digits (32) gives a square (156025 = 3952).

The spelling of 4992800 in words is "four million, nine hundred ninety-two thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 79 80 100 158 160 200 316 395 400 632 790 800 1264 1580 1975 2528 3160 3950 6241 6320 7900 12482 12640 15800 24964 31205 31600 49928 62410 63200 99856 124820 156025 199712 249640 312050 499280 624100 998560 1248200 2496400 4992800