Search a number
-
+
614023921 = 7531655051
BaseRepresentation
bin100100100110010…
…100001011110001
31120210101122110201
4210212110023301
52224142231141
6140532355201
721134055130
oct4446241361
91523348421
10614023921
11295667295
12151775b01
139a298b84
145b797917
1538d8d031
hex249942f1

614023921 has 8 divisors (see below), whose sum is σ = 714982464. Its totient is φ = 516375600.

The previous prime is 614023919. The next prime is 614023937. The reversal of 614023921 is 129320416.

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

It is a cyclic number.

It is not a de Polignac number, because 614023921 - 21 = 614023919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 614023921.

It is not an unprimeable number, because it can be changed into a prime (614023321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 827155 + ... + 827896.

It is an arithmetic number, because the mean of its divisors is an integer number (89372808).

Almost surely, 2614023921 is an apocalyptic number.

It is an amenable number.

614023921 is a deficient number, since it is larger than the sum of its proper divisors (100958543).

614023921 is a wasteful number, since it uses less digits than its factorization.

614023921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655111.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 614023921 is about 24779.5060685236. The cubic root of 614023921 is about 849.9533635312.

The spelling of 614023921 in words is "six hundred fourteen million, twenty-three thousand, nine hundred twenty-one".

Divisors: 1 7 53 371 1655051 11585357 87717703 614023921