Search a number
-
+
2724539420 = 225136226971
BaseRepresentation
bin1010001001100101…
…0010110000011100
321000212200221110102
42202121102300130
521034440230140
61130204200232
7124342126421
oct24231226034
97025627412
102724539420
111178a27879
12640539078
133455c9105
141bbbbdd48
1510e2d0e15
hexa2652c1c

2724539420 has 12 divisors (see below), whose sum is σ = 5721532824. Its totient is φ = 1089815760.

The previous prime is 2724539387. The next prime is 2724539443. The reversal of 2724539420 is 249354272.

It is a happy number.

It is a super-2 number, since 2×27245394202 = 14846230102267872800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 68113466 + ... + 68113505.

It is an arithmetic number, because the mean of its divisors is an integer number (476794402).

Almost surely, 22724539420 is an apocalyptic number.

2724539420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2724539420 is an abundant number, since it is smaller than the sum of its proper divisors (2996993404).

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

2724539420 is a wasteful number, since it uses less digits than its factorization.

2724539420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136226980 (or 136226978 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 2724539420 is about 52197.1208018220. The cubic root of 2724539420 is about 1396.6825225772.

The spelling of 2724539420 in words is "two billion, seven hundred twenty-four million, five hundred thirty-nine thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 136226971 272453942 544907884 681134855 1362269710 2724539420