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2747272242 = 2311137940531
BaseRepresentation
bin1010001111000000…
…0000110000110010
321002110110220000210
42203300000300302
521111300202432
61132335324550
7125036300031
oct24360006062
97073426023
102747272242
11118a844330
12648080756
1334a2283a0
141c0c1a718
151112c18cc
hexa3c00c32

2747272242 has 64 divisors (see below), whose sum is σ = 6537000960. Its totient is φ = 758721600.

The previous prime is 2747272207. The next prime is 2747272243. The reversal of 2747272242 is 2422727472.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 2747272242.

It is not an unprimeable number, because it can be changed into a prime (2747272243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47517 + ... + 88047.

It is an arithmetic number, because the mean of its divisors is an integer number (102140640).

Almost surely, 22747272242 is an apocalyptic number.

2747272242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2747272242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3268500480).

2747272242 is an abundant number, since it is smaller than the sum of its proper divisors (3789728718).

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

2747272242 is a wasteful number, since it uses less digits than its factorization.

2747272242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40639.

The product of its digits is 175616, while the sum is 39.

The square root of 2747272242 is about 52414.4278038023. The cubic root of 2747272242 is about 1400.5562826762.

The spelling of 2747272242 in words is "two billion, seven hundred forty-seven million, two hundred seventy-two thousand, two hundred forty-two".

Divisors: 1 2 3 6 11 13 22 26 33 39 66 78 79 143 158 237 286 429 474 858 869 1027 1738 2054 2607 3081 5214 6162 11297 22594 33891 40531 67782 81062 121593 243186 445841 526903 891682 1053806 1337523 1580709 2675046 3161418 3201949 5795933 6403898 9605847 11591866 17387799 19211694 34775598 35221439 41625337 70442878 83250674 105664317 124876011 211328634 249752022 457878707 915757414 1373636121 2747272242