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2642472 = 233273107
BaseRepresentation
bin1010000101001000101000
311222020210100
422011020220
51134024342
6132345400
731314000
oct12051050
94866710
102642472
111545368
12a75260
137169c1
144cb000
15372e4c
hex285228

2642472 has 96 divisors (see below), whose sum is σ = 8424000. Its totient is φ = 747936.

The previous prime is 2642449. The next prime is 2642473. The reversal of 2642472 is 2742462.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2642473) 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 in 23 ways as a sum of consecutive naturals, for example, 24643 + ... + 24749.

It is an arithmetic number, because the mean of its divisors is an integer number (87750).

22642472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2642472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4212000).

2642472 is an abundant number, since it is smaller than the sum of its proper divisors (5781528).

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

2642472 is a wasteful number, since it uses less digits than its factorization.

2642472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 119 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 2642472 is about 1625.5682083505. The cubic root of 2642472 is about 138.2515889365.

The spelling of 2642472 in words is "two million, six hundred forty-two thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 49 56 63 72 84 98 107 126 147 168 196 214 252 294 321 343 392 428 441 504 588 642 686 749 856 882 963 1029 1176 1284 1372 1498 1764 1926 2058 2247 2568 2744 2996 3087 3528 3852 4116 4494 5243 5992 6174 6741 7704 8232 8988 10486 12348 13482 15729 17976 20972 24696 26964 31458 36701 41944 47187 53928 62916 73402 94374 110103 125832 146804 188748 220206 293608 330309 377496 440412 660618 880824 1321236 2642472