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3081472 = 2812037
BaseRepresentation
bin1011110000010100000000
312210112222121
423300110000
51242101342
6150014024
735122612
oct13602400
95715877
103081472
111815179
121047314
1383b774
145a2db2
1540d067
hex2f0500

3081472 has 18 divisors (see below), whose sum is σ = 6151418. Its totient is φ = 1540608.

The previous prime is 3081467. The next prime is 3081479. The reversal of 3081472 is 2741803.

It can be written as a sum of positive squares in only one way, i.e., 1679616 + 1401856 = 1296^2 + 1184^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3081479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5763 + ... + 6274.

Almost surely, 23081472 is an apocalyptic number.

3081472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3081472 is a deficient number, since it is larger than the sum of its proper divisors (3069946).

3081472 is an equidigital number, since it uses as much as digits as its factorization.

3081472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12053 (or 12039 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 3081472 is about 1755.4122023046. The cubic root of 3081472 is about 145.5189018244.

It can be divided in two parts, 3081 and 472, that added together give a palindrome (3553).

The spelling of 3081472 in words is "three million, eighty-one thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 32 64 128 256 12037 24074 48148 96296 192592 385184 770368 1540736 3081472