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2040021200 = 24527728579
BaseRepresentation
bin111100110011000…
…0100000011010000
312021011122210222202
41321212010003100
513134221134300
6534232422332
7101360615450
oct17146040320
95234583882
102040021200
119575a2138
1248b2479a8
1326684a749
14154d15d60
15be16aad5
hex799840d0

2040021200 has 60 divisors (see below), whose sum is σ = 5601323040. Its totient is φ = 699434880.

The previous prime is 2040021169. The next prime is 2040021209. The reversal of 2040021200 is 21200402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040021209) 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, 361490 + ... + 367089.

It is an arithmetic number, because the mean of its divisors is an integer number (93355384).

Almost surely, 22040021200 is an apocalyptic number.

2040021200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2040021200 is an abundant number, since it is smaller than the sum of its proper divisors (3561301840).

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

2040021200 is a wasteful number, since it uses less digits than its factorization.

2040021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728604 (or 728593 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2040021200 is about 45166.5938498798. The cubic root of 2040021200 is about 1268.2695343985.

Adding to 2040021200 its reverse (21200402), we get a palindrome (2061221602).

The spelling of 2040021200 in words is "two billion, forty million, twenty-one thousand, two hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 100 112 140 175 200 280 350 400 560 700 1400 2800 728579 1457158 2914316 3642895 5100053 5828632 7285790 10200106 11657264 14571580 18214475 20400212 25500265 29143160 36428950 40800424 51000530 58286320 72857900 81600848 102001060 127501325 145715800 204002120 255002650 291431600 408004240 510005300 1020010600 2040021200