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2405423500 = 225317282991
BaseRepresentation
bin1000111101011111…
…1101100110001100
320012122020011201021
42033113331212030
514411242023000
61034404323524
7113415522334
oct21727754614
96178204637
102405423500
111024887307
125716a35a4
132c446741c
1418b6720c4
15e129811a
hex8f5fd98c

2405423500 has 48 divisors (see below), whose sum is σ = 5562490752. Its totient is φ = 905568000.

The previous prime is 2405423491. The next prime is 2405423509. The reversal of 2405423500 is 53245042.

It is an interprime number because it is at equal distance from previous prime (2405423491) and next prime (2405423509).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (2405423509) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 132996 + ... + 149995.

It is an arithmetic number, because the mean of its divisors is an integer number (115885224).

Almost surely, 22405423500 is an apocalyptic number.

2405423500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2405423500 is an abundant number, since it is smaller than the sum of its proper divisors (3157067252).

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

2405423500 is a wasteful number, since it uses less digits than its factorization.

2405423500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283027 (or 283015 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 2405423500 is about 49045.1169842626. The cubic root of 2405423500 is about 1339.8736607701.

Adding to 2405423500 its reverse (53245042), we get a palindrome (2458668542).

The spelling of 2405423500 in words is "two billion, four hundred five million, four hundred twenty-three thousand, five hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 125 170 250 340 425 500 850 1700 2125 4250 8500 282991 565982 1131964 1414955 2829910 4810847 5659820 7074775 9621694 14149550 19243388 24054235 28299100 35373875 48108470 70747750 96216940 120271175 141495500 240542350 481084700 601355875 1202711750 2405423500