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531416 = 23181367
BaseRepresentation
bin10000001101111011000
3222222222002
42001233120
5114001131
615220132
74342214
oct2015730
9888862
10531416
11333296
12217648
13157b62
14db944
15a76cb
hex81bd8

531416 has 16 divisors (see below), whose sum is σ = 1004640. Its totient is φ = 263520.

The previous prime is 531383. The next prime is 531457. The reversal of 531416 is 614135.

It is a nialpdrome in base 9 and base 14.

It is a congruent number.

It is an unprimeable number.

531416 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1265 + ... + 1631.

It is an arithmetic number, because the mean of its divisors is an integer number (62790).

2531416 is an apocalyptic number.

It is an amenable number.

531416 is a deficient number, since it is larger than the sum of its proper divisors (473224).

531416 is a wasteful number, since it uses less digits than its factorization.

531416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554 (or 550 counting only the distinct ones).

The product of its digits is 360, while the sum is 20.

The square root of 531416 is about 728.9828530219. The cubic root of 531416 is about 80.9987298485.

It can be divided in two parts, 5 and 31416, that multiplied together give a triangular number (157080 = T560).

The spelling of 531416 in words is "five hundred thirty-one thousand, four hundred sixteen".

Divisors: 1 2 4 8 181 362 367 724 734 1448 1468 2936 66427 132854 265708 531416