Search a number
-
+
1420683830 = 25142068383
BaseRepresentation
bin101010010101101…
…1110101000110110
310200000021012211122
41110223132220312
510402143340310
6352550103542
750130420236
oct12453365066
93600235748
101420683830
11669a36875
1233794abb2
13198441227
14d6977cc6
1584acd555
hex54adea36

1420683830 has 8 divisors (see below), whose sum is σ = 2557230912. Its totient is φ = 568273528.

The previous prime is 1420683811. The next prime is 1420683883. The reversal of 1420683830 is 383860241.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71034182 + ... + 71034201.

It is an arithmetic number, because the mean of its divisors is an integer number (319653864).

Almost surely, 21420683830 is an apocalyptic number.

1420683830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420683830 is a deficient number, since it is larger than the sum of its proper divisors (1136547082).

1420683830 is a wasteful number, since it uses less digits than its factorization.

1420683830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142068390.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 1420683830 is about 37691.9597527112. The cubic root of 1420683830 is about 1124.1712625777.

The spelling of 1420683830 in words is "one billion, four hundred twenty million, six hundred eighty-three thousand, eight hundred thirty".

Divisors: 1 2 5 10 142068383 284136766 710341915 1420683830