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1426669223 = 71742128477
BaseRepresentation
bin101010100001001…
…0011111010100111
310200102112022020212
41111002103322213
510410211403343
6353322250035
750232326330
oct12502237247
93612468225
101426669223
11672354781
1233995691b
13199758695
14d7695287
15853b1c18
hex55093ea7

1426669223 has 16 divisors (see below), whose sum is σ = 1730551104. Its totient is φ = 1148152320.

The previous prime is 1426669187. The next prime is 1426669241. The reversal of 1426669223 is 3229666241.

It is not a de Polignac number, because 1426669223 - 28 = 1426668967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426669253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35861 + ... + 64337.

It is an arithmetic number, because the mean of its divisors is an integer number (108159444).

Almost surely, 21426669223 is an apocalyptic number.

1426669223 is a deficient number, since it is larger than the sum of its proper divisors (303881881).

1426669223 is a wasteful number, since it uses less digits than its factorization.

1426669223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28922.

The product of its digits is 186624, while the sum is 41.

The square root of 1426669223 is about 37771.2751042376. The cubic root of 1426669223 is about 1125.7477755757.

The spelling of 1426669223 in words is "one billion, four hundred twenty-six million, six hundred sixty-nine thousand, two hundred twenty-three".

Divisors: 1 7 17 119 421 2947 7157 28477 50099 199339 484109 3388763 11988817 83921719 203809889 1426669223