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2158484300 = 225272440507
BaseRepresentation
bin1000000010100111…
…1101101101001100
312120102120100210222
42000221331231030
513410032444200
6554103450512
7104326546100
oct20051755514
95512510728
102158484300
11a08454225
12502a56a38
13285256c5b
14166951900
15c976ad85
hex80a7db4c

2158484300 has 54 divisors (see below), whose sum is σ = 5448643452. Its totient is φ = 740050080.

The previous prime is 2158484267. The next prime is 2158484309. The reversal of 2158484300 is 34848512.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (2158484309) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 215354 + ... + 225153.

Almost surely, 22158484300 is an apocalyptic number.

2158484300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2158484300 is an abundant number, since it is smaller than the sum of its proper divisors (3290159152).

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

2158484300 is a wasteful number, since it uses less digits than its factorization.

2158484300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440535 (or 440521 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 2158484300 is about 46459.4909571769. The cubic root of 2158484300 is about 1292.3583843185.

The spelling of 2158484300 in words is "two billion, one hundred fifty-eight million, four hundred eighty-four thousand, three hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 49 50 70 98 100 140 175 196 245 350 490 700 980 1225 2450 4900 440507 881014 1762028 2202535 3083549 4405070 6167098 8810140 11012675 12334196 15417745 21584843 22025350 30835490 43169686 44050700 61670980 77088725 86339372 107924215 154177450 215848430 308354900 431696860 539621075 1079242150 2158484300