Search a number
-
+
1432420231 = 11592207119
BaseRepresentation
bin101010101100000…
…1111111110000111
310200211100111011011
41111120033332013
510413144421411
6354045423051
750332241164
oct12530177607
93624314134
101432420231
11675622580
1233b86aa87
1319a9c0248
14d835106b
1585b4ac21
hex5560ff87

1432420231 has 8 divisors (see below), whose sum is σ = 1589126400. Its totient is φ = 1280128440.

The previous prime is 1432420217. The next prime is 1432420237. The reversal of 1432420231 is 1320242341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1432420231 is a prime.

It is a super-2 number, since 2×14324202312 = 4103655436356186722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1432420237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1102911 + ... + 1104208.

It is an arithmetic number, because the mean of its divisors is an integer number (198640800).

Almost surely, 21432420231 is an apocalyptic number.

1432420231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1432420231 is a deficient number, since it is larger than the sum of its proper divisors (156706169).

1432420231 is a wasteful number, since it uses less digits than its factorization.

1432420231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207189.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1432420231 is about 37847.3279241745. The cubic root of 1432420231 is about 1127.2584047823.

Adding to 1432420231 its reverse (1320242341), we get a palindrome (2752662572).

The spelling of 1432420231 in words is "one billion, four hundred thirty-two million, four hundred twenty thousand, two hundred thirty-one".

Divisors: 1 11 59 649 2207119 24278309 130220021 1432420231