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2250578738 = 247113211879
BaseRepresentation
bin1000011000100101…
…0001101100110010
312210211212020122002
42012021101230302
514102122004423
61011153414002
7106525414022
oct20611215462
95724766562
102250578738
11a55436131
1252986a302
1329b3602c5
14174c85a82
15d28ad228
hex86251b32

2250578738 has 16 divisors (see below), whose sum is σ = 3478222080. Its totient is φ = 1091595456.

The previous prime is 2250578731. The next prime is 2250578753. The reversal of 2250578738 is 8378750522.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a junction number, because it is equal to n+sod(n) for n = 2250578692 and 2250578701.

It is not an unprimeable number, because it can be changed into a prime (2250578731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95318 + ... + 116561.

It is an arithmetic number, because the mean of its divisors is an integer number (217388880).

Almost surely, 22250578738 is an apocalyptic number.

2250578738 is a deficient number, since it is larger than the sum of its proper divisors (1227643342).

2250578738 is a wasteful number, since it uses less digits than its factorization.

2250578738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212041.

The product of its (nonzero) digits is 940800, while the sum is 47.

The square root of 2250578738 is about 47440.2649444541. The cubic root of 2250578738 is about 1310.4830372977.

The spelling of 2250578738 in words is "two billion, two hundred fifty million, five hundred seventy-eight thousand, seven hundred thirty-eight".

Divisors: 1 2 47 94 113 226 5311 10622 211879 423758 9958313 19916626 23942327 47884654 1125289369 2250578738