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755072 = 2717347
BaseRepresentation
bin10111000010110000000
31102100202122
42320112000
5143130242
624103412
76263243
oct2702600
91370678
10755072
1147632a
12304b68
132058b6
1415925a
15edad2
hexb8580

755072 has 32 divisors (see below), whose sum is σ = 1597320. Its totient is φ = 354304.

The previous prime is 755071. The next prime is 755077. The reversal of 755072 is 270557.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755071) 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 3 ways as a sum of consecutive naturals, for example, 2003 + ... + 2349.

2755072 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 755072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (798660).

755072 is an abundant number, since it is smaller than the sum of its proper divisors (842248).

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

755072 is a wasteful number, since it uses less digits than its factorization.

755072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 26.

The square root of 755072 is about 868.9487902057. The cubic root of 755072 is about 91.0603793629.

The spelling of 755072 in words is "seven hundred fifty-five thousand, seventy-two".

Divisors: 1 2 4 8 16 17 32 34 64 68 128 136 272 347 544 694 1088 1388 2176 2776 5552 5899 11104 11798 22208 23596 44416 47192 94384 188768 377536 755072