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531414403 = 1397421423
BaseRepresentation
bin11111101011001…
…011110110000011
31101000221122111221
4133223023312003
52042020230103
6124422015511
716111643062
oct3753136603
91330848457
10531414403
11252a73563
12129b77597
1386133ac0
14508121d9
15319c11bd
hex1facbd83

531414403 has 8 divisors (see below), whose sum is σ = 578193728. Its totient is φ = 485478144.

The previous prime is 531414397. The next prime is 531414413. The reversal of 531414403 is 304414135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-531414403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531414413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209451 + ... + 211972.

It is an arithmetic number, because the mean of its divisors is an integer number (72274216).

Almost surely, 2531414403 is an apocalyptic number.

531414403 is a deficient number, since it is larger than the sum of its proper divisors (46779325).

531414403 is a wasteful number, since it uses less digits than its factorization.

531414403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421533.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 531414403 is about 23052.4272691619. The cubic root of 531414403 is about 809.9864870987.

Adding to 531414403 its reverse (304414135), we get a palindrome (835828538).

The spelling of 531414403 in words is "five hundred thirty-one million, four hundred fourteen thousand, four hundred three".

Divisors: 1 13 97 1261 421423 5478499 40878031 531414403