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2144654424 = 2332112707897
BaseRepresentation
bin111111111010100…
…1101010001011000
312112110112201210100
41333311031101120
513343012420144
6552451215400
7104101155543
oct17765152130
95473481710
102144654424
11a00668680
124ba2a7560
132824240b3
14164b9185a
15c8438269
hex7fd4d458

2144654424 has 48 divisors (see below), whose sum is σ = 6336481320. Its totient is φ = 649895040.

The previous prime is 2144654401. The next prime is 2144654437. The reversal of 2144654424 is 4244564412.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1353157 + ... + 1354740.

Almost surely, 22144654424 is an apocalyptic number.

2144654424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2144654424 is an abundant number, since it is smaller than the sum of its proper divisors (4191826896).

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

2144654424 is a wasteful number, since it uses less digits than its factorization.

2144654424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2707920 (or 2707913 counting only the distinct ones).

The product of its digits is 122880, while the sum is 36.

The square root of 2144654424 is about 46310.4137748736. The cubic root of 2144654424 is about 1289.5923283634.

The spelling of 2144654424 in words is "two billion, one hundred forty-four million, six hundred fifty-four thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 33 36 44 66 72 88 99 132 198 264 396 792 2707897 5415794 8123691 10831588 16247382 21663176 24371073 29786867 32494764 48742146 59573734 64989528 89360601 97484292 119147468 178721202 194968584 238294936 268081803 357442404 536163606 714884808 1072327212 2144654424