Search a number
-
+
551070245 = 51110019459
BaseRepresentation
bin100000110110001…
…010101000100101
31102101221021021002
4200312022220211
52112033221440
6130403203045
716441006535
oct4066125045
91371837232
10551070245
11263079260
12134676485
138a22668b
145328b4c5
15335a5115
hex20d8aa25

551070245 has 8 divisors (see below), whose sum is σ = 721401120. Its totient is φ = 400778320.

The previous prime is 551070199. The next prime is 551070257. The reversal of 551070245 is 542070155.

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

It is not a de Polignac number, because 551070245 - 220 = 550021669 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5009675 + ... + 5009784.

It is an arithmetic number, because the mean of its divisors is an integer number (90175140).

Almost surely, 2551070245 is an apocalyptic number.

551070245 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

551070245 is a deficient number, since it is larger than the sum of its proper divisors (170330875).

551070245 is a wasteful number, since it uses less digits than its factorization.

551070245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10019475.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 551070245 is about 23474.8854097310. The cubic root of 551070245 is about 819.8523653505.

The spelling of 551070245 in words is "five hundred fifty-one million, seventy thousand, two hundred forty-five".

Divisors: 1 5 11 55 10019459 50097295 110214049 551070245