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1945229234 = 2131911334847
BaseRepresentation
bin111001111110001…
…1101011110110010
312000120021212212012
41303330131132302
512440434313414
6521005002522
766130114154
oct16374353662
95016255765
101945229234
11909038573
12463553442
1325000b620
141464bcad4
15b5b9433e
hex73f1d7b2

1945229234 has 32 divisors (see below), whose sum is σ = 3337044480. Its totient is φ = 842994432.

The previous prime is 1945229219. The next prime is 1945229257. The reversal of 1945229234 is 4329225491.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1945229191 and 1945229200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38399 + ... + 73245.

It is an arithmetic number, because the mean of its divisors is an integer number (104282640).

Almost surely, 21945229234 is an apocalyptic number.

1945229234 is a deficient number, since it is larger than the sum of its proper divisors (1391815246).

1945229234 is a wasteful number, since it uses less digits than its factorization.

1945229234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34994.

The product of its digits is 155520, while the sum is 41.

The square root of 1945229234 is about 44104.7529638247. The cubic root of 1945229234 is about 1248.3132949646.

The spelling of 1945229234 in words is "one billion, nine hundred forty-five million, two hundred twenty-nine thousand, two hundred thirty-four".

Divisors: 1 2 13 19 26 38 113 226 247 494 1469 2147 2938 4294 27911 34847 55822 69694 453011 662093 906022 1324186 3937711 7875422 8607209 17214418 51190243 74816509 102380486 149633018 972614617 1945229234