Search a number
-
+
551075023 = 2919398459
BaseRepresentation
bin100000110110001…
…011110011001111
31102101221111211001
4200312023303033
52112033400043
6130403241131
716441026502
oct4066136317
91371844731
10551075023
11263081904
121346791a7
138a2288c5
145328d139
15335a674d
hex20d8bccf

551075023 has 8 divisors (see below), whose sum is σ = 573037200. Its totient is φ = 529310208.

The previous prime is 551075017. The next prime is 551075053. The reversal of 551075023 is 320570155.

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-551075023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551074982 and 551075000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551075053) 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, 43633 + ... + 54826.

It is an arithmetic number, because the mean of its divisors is an integer number (71629650).

Almost surely, 2551075023 is an apocalyptic number.

551075023 is a deficient number, since it is larger than the sum of its proper divisors (21962177).

551075023 is a wasteful number, since it uses less digits than its factorization.

551075023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98681.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 551075023 is about 23474.9871778453. The cubic root of 551075023 is about 819.8547348266.

The spelling of 551075023 in words is "five hundred fifty-one million, seventy-five thousand, twenty-three".

Divisors: 1 29 193 5597 98459 2855311 19002587 551075023