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2144232400 = 245216332887
BaseRepresentation
bin111111111001110…
…0110001111010000
312112102202021212211
41333303212033100
513342410414100
6552434201504
7104064450262
oct17763461720
95472667784
102144232400
11a003aa5a2
124ba123294
13282306c8b
14164ac1b32
15c83a31ba
hex7fce63d0

2144232400 has 60 divisors (see below), whose sum is σ = 5183280352. Its totient is φ = 852405120.

The previous prime is 2144232383. The next prime is 2144232437. The reversal of 2144232400 is 42324412.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48757 + ... + 81643.

Almost surely, 22144232400 is an apocalyptic number.

2144232400 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 2144232400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2591640176).

2144232400 is an abundant number, since it is smaller than the sum of its proper divisors (3039047952).

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

2144232400 is a wasteful number, since it uses less digits than its factorization.

2144232400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33068 (or 33057 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2144232400 is about 46305.8570809352. The cubic root of 2144232400 is about 1289.5077343749.

Adding to 2144232400 its reverse (42324412), we get a palindrome (2186556812).

The spelling of 2144232400 in words is "two billion, one hundred forty-four million, two hundred thirty-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 163 200 326 400 652 815 1304 1630 2608 3260 4075 6520 8150 13040 16300 32600 32887 65200 65774 131548 164435 263096 328870 526192 657740 822175 1315480 1644350 2630960 3288700 5360581 6577400 10721162 13154800 21442324 26802905 42884648 53605810 85769296 107211620 134014525 214423240 268029050 428846480 536058100 1072116200 2144232400