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2772270 = 232530803
BaseRepresentation
bin1010100100110100101110
312012211211200
422210310232
51202203040
6135230330
732364264
oct12446456
95184750
102772270
111623936
12b183a6
13760ac7
14522434
1539b630
hex2a4d2e

2772270 has 24 divisors (see below), whose sum is σ = 7208136. Its totient is φ = 739248.

The previous prime is 2772257. The next prime is 2772281. The reversal of 2772270 is 722772.

2772270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 15312 + ... + 15491.

It is an arithmetic number, because the mean of its divisors is an integer number (300339).

22772270 is an apocalyptic number.

2772270 is an abundant number, since it is smaller than the sum of its proper divisors (4435866).

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

2772270 is a wasteful number, since it uses less digits than its factorization.

2772270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30816 (or 30813 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 27.

The square root of 2772270 is about 1665.0135134587. The cubic root of 2772270 is about 140.4791406156.

The spelling of 2772270 in words is "two million, seven hundred seventy-two thousand, two hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 30803 61606 92409 154015 184818 277227 308030 462045 554454 924090 1386135 2772270