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2631772 = 22111343107
BaseRepresentation
bin1010000010100001011100
311221201010001
422002201130
51133204042
6132224044
731240543
oct12024134
94851101
102631772
111538320
12a6b024
13711b80
144c715a
1536ebb7
hex28285c

2631772 has 48 divisors (see below), whose sum is σ = 5588352. Its totient is φ = 1068480.

The previous prime is 2631767. The next prime is 2631793. The reversal of 2631772 is 2771362.

2631772 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 29 + 63 + 312 + 1 + 72 + 74 + 221 .

It is a self number, because there is not a number n which added to its sum of digits gives 2631772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24543 + ... + 24649.

It is an arithmetic number, because the mean of its divisors is an integer number (116424).

22631772 is an apocalyptic number.

2631772 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2631772 is an abundant number, since it is smaller than the sum of its proper divisors (2956580).

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

2631772 is a wasteful number, since it uses less digits than its factorization.

2631772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 176 counting only the distinct ones).

The product of its digits is 3528, while the sum is 28.

The square root of 2631772 is about 1622.2737130337. The cubic root of 2631772 is about 138.0647319362.

It can be divided in two parts, 2631 and 772, that added together give a triangular number (3403 = T82).

The spelling of 2631772 in words is "two million, six hundred thirty-one thousand, seven hundred seventy-two".

Divisors: 1 2 4 11 13 22 26 43 44 52 86 107 143 172 214 286 428 473 559 572 946 1118 1177 1391 1892 2236 2354 2782 4601 4708 5564 6149 9202 12298 15301 18404 24596 30602 50611 59813 61204 101222 119626 202444 239252 657943 1315886 2631772