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530978 = 27172397
BaseRepresentation
bin10000001101000100010
3222222100212
42001220202
5113442403
615214122
74341020
oct2015042
9888325
10530978
11332a28
12217342
131578b6
14db710
15a74d8
hex81a22

530978 has 32 divisors (see below), whose sum is σ = 1016064. Its totient is φ = 202752.

The previous prime is 530977. The next prime is 530983. The reversal of 530978 is 879035.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5426 + ... + 5522.

It is an arithmetic number, because the mean of its divisors is an integer number (31752).

2530978 is an apocalyptic number.

530978 is a deficient number, since it is larger than the sum of its proper divisors (485086).

530978 is a wasteful number, since it uses less digits than its factorization.

530978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 530978 is about 728.6823725053. The cubic root of 530978 is about 80.9764703286.

The spelling of 530978 in words is "five hundred thirty thousand, nine hundred seventy-eight".

Divisors: 1 2 7 14 17 23 34 46 97 119 161 194 238 322 391 679 782 1358 1649 2231 2737 3298 4462 5474 11543 15617 23086 31234 37927 75854 265489 530978