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2144428430 = 25637933617
BaseRepresentation
bin111111111010001…
…0110000110001110
312112110010020210012
41333310112012032
513342433202210
6552442313222
7104066224634
oct17764260616
95473106705
102144428430
11a00523901
124ba1b8812
13282375281
14164b33354
15c83e1305
hex7fd1618e

2144428430 has 16 divisors (see below), whose sum is σ = 3860691120. Its totient is φ = 857611392.

The previous prime is 2144428427. The next prime is 2144428469. The reversal of 2144428430 is 348244412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46982 + ... + 80598.

It is an arithmetic number, because the mean of its divisors is an integer number (241293195).

Almost surely, 22144428430 is an apocalyptic number.

2144428430 is a deficient number, since it is larger than the sum of its proper divisors (1716262690).

2144428430 is a wasteful number, since it uses less digits than its factorization.

2144428430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40003.

The product of its (nonzero) digits is 24576, while the sum is 32.

The square root of 2144428430 is about 46307.9737194363. The cubic root of 2144428430 is about 1289.5470296332.

The spelling of 2144428430 in words is "two billion, one hundred forty-four million, four hundred twenty-eight thousand, four hundred thirty".

Divisors: 1 2 5 10 6379 12758 31895 33617 63790 67234 168085 336170 214442843 428885686 1072214215 2144428430