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2480000 = 275431
BaseRepresentation
bin1001011101011110000000
311122222220212
421131132000
51113330000
6125053252
730036215
oct11353600
94588825
102480000
111444296
129b7228
1368aa73
14487b0c
1533ec35
hex25d780

2480000 has 80 divisors (see below), whose sum is σ = 6372960. Its totient is φ = 960000.

The previous prime is 2479991. The next prime is 2480003. The reversal of 2480000 is 842.

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

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2480003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 79985 + ... + 80015.

It is an arithmetic number, because the mean of its divisors is an integer number (79662).

22480000 is an apocalyptic number.

2480000 is a gapful number since it is divisible by the number (20) 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 2480000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3186480).

2480000 is an abundant number, since it is smaller than the sum of its proper divisors (3892960).

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

2480000 is an frugal number, since it uses more digits than its factorization.

2480000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2480000 is about 1574.8015748024. The cubic root of 2480000 is about 135.3579890421.

Adding to 2480000 its reverse (842), we get a palindrome (2480842).

The spelling of 2480000 in words is "two million, four hundred eighty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 31 32 40 50 62 64 80 100 124 125 128 155 160 200 248 250 310 320 400 496 500 620 625 640 775 800 992 1000 1240 1250 1550 1600 1984 2000 2480 2500 3100 3200 3875 3968 4000 4960 5000 6200 7750 8000 9920 10000 12400 15500 16000 19375 19840 20000 24800 31000 38750 40000 49600 62000 77500 80000 99200 124000 155000 248000 310000 496000 620000 1240000 2480000