Search a number
-
+
6897241380 = 2235234998001
BaseRepresentation
bin1100110110001101…
…11000110100100100
3122210200101011110110
412123012320310210
5103111143211010
63100223453020
7332630404311
oct63306706444
918720334413
106897241380
112a1a349597
121405a57170
1385bc37923
1449604bd08
152a57bc120
hex19b1b8d24

6897241380 has 48 divisors (see below), whose sum is σ = 20151944064. Its totient is φ = 1759296000.

The previous prime is 6897241313. The next prime is 6897241381. The reversal of 6897241380 is 831427986.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6897241381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2497621 + ... + 2500380.

It is an arithmetic number, because the mean of its divisors is an integer number (419832168).

Almost surely, 26897241380 is an apocalyptic number.

6897241380 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6897241380 is an abundant number, since it is smaller than the sum of its proper divisors (13254702684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6897241380 is a wasteful number, since it uses less digits than its factorization.

6897241380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4998036 (or 4998034 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 6897241380 is about 83049.6320280831. The cubic root of 6897241380 is about 1903.5245179616.

The spelling of 6897241380 in words is "six billion, eight hundred ninety-seven million, two hundred forty-one thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 276 345 460 690 1380 4998001 9996002 14994003 19992004 24990005 29988006 49980010 59976012 74970015 99960020 114954023 149940030 229908046 299880060 344862069 459816092 574770115 689724138 1149540230 1379448276 1724310345 2299080460 3448620690 6897241380