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1423402030 = 251275232143
BaseRepresentation
bin101010011010111…
…0110010000101110
310200012101022111201
41110311312100232
510403342331110
6353124240114
750162501101
oct12465662056
93605338451
101423402030
11670523016
1233884003a
13198b8352b
14d7084738
1584e68b3a
hex54d7642e

1423402030 has 32 divisors (see below), whose sum is σ = 2588442624. Its totient is φ = 563534496.

The previous prime is 1423402021. The next prime is 1423402033. The reversal of 1423402030 is 302043241.

It is a junction number, because it is equal to n+sod(n) for n = 1423401989 and 1423402007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423402033) 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, 663139 + ... + 665281.

It is an arithmetic number, because the mean of its divisors is an integer number (80888832).

Almost surely, 21423402030 is an apocalyptic number.

1423402030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1423402030 is a deficient number, since it is larger than the sum of its proper divisors (1165040594).

1423402030 is a wasteful number, since it uses less digits than its factorization.

1423402030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1423402030 is about 37728.0006096268. Note that the first 3 decimals coincide. The cubic root of 1423402030 is about 1124.8877662521.

Adding to 1423402030 its reverse (302043241), we get a palindrome (1725445271).

The spelling of 1423402030 in words is "one billion, four hundred twenty-three million, four hundred two thousand, thirty".

Divisors: 1 2 5 10 127 254 523 635 1046 1270 2143 2615 4286 5230 10715 21430 66421 132842 272161 332105 544322 664210 1120789 1360805 2241578 2721610 5603945 11207890 142340203 284680406 711701015 1423402030