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4872400 = 245213937
BaseRepresentation
bin10010100101100011010000
3100011112200021
4102211203100
52221404100
6252233224
756262151
oct22454320
910145607
104872400
112828785
12176b814
1310179a0
1490b928
15663a1a
hex4a58d0

4872400 has 60 divisors (see below), whose sum is σ = 12619852. Its totient is φ = 1797120.

The previous prime is 4872391. The next prime is 4872403. The reversal of 4872400 is 42784.

It can be written as a sum of positive squares in 6 ways, for example, as 1617984 + 3254416 = 1272^2 + 1804^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4872403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4732 + ... + 5668.

Almost surely, 24872400 is an apocalyptic number.

4872400 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 4872400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6309926).

4872400 is an abundant number, since it is smaller than the sum of its proper divisors (7747452).

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

4872400 is a wasteful number, since it uses less digits than its factorization.

4872400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968 (or 957 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 4872400 is about 2207.3513539987. The cubic root of 4872400 is about 169.5304226885.

The spelling of 4872400 in words is "four million, eight hundred seventy-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 80 100 104 130 200 208 260 325 400 520 650 937 1040 1300 1874 2600 3748 4685 5200 7496 9370 12181 14992 18740 23425 24362 37480 46850 48724 60905 74960 93700 97448 121810 187400 194896 243620 304525 374800 487240 609050 974480 1218100 2436200 4872400