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1420468318 = 21283553573
BaseRepresentation
bin101010010101010…
…1010000001011110
310122222212021012201
41110222222001132
510402114441233
6352541322114
750125532023
oct12452520136
93588767181
101420468318
116698a9965
1233786633a
131983970c9
14d691d54a
1584a8977d
hex54aaa05e

1420468318 has 8 divisors (see below), whose sum is σ = 2132367048. Its totient is φ = 709679304.

The previous prime is 1420468297. The next prime is 1420468319. The reversal of 1420468318 is 8138640241.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420468319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274221 + ... + 279352.

It is an arithmetic number, because the mean of its divisors is an integer number (266545881).

Almost surely, 21420468318 is an apocalyptic number.

1420468318 is a deficient number, since it is larger than the sum of its proper divisors (711898730).

1420468318 is a wasteful number, since it uses less digits than its factorization.

1420468318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554858.

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 1420468318 is about 37689.1007852403. The cubic root of 1420468318 is about 1124.1144156229.

The spelling of 1420468318 in words is "one billion, four hundred twenty million, four hundred sixty-eight thousand, three hundred eighteen".

Divisors: 1 2 1283 2566 553573 1107146 710234159 1420468318