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531234155 = 5823129097
BaseRepresentation
bin11111101010011…
…111110101101011
31101000121111021002
4133222133311223
52041443443110
6124414105215
716110262424
oct3752376553
91330544232
10531234155
112529600a1
12129aab20b
138609ca4a
14507a664b
1531987aa5
hex1fa9fd6b

531234155 has 8 divisors (see below), whose sum is σ = 638260512. Its totient is φ = 424467648.

The previous prime is 531234107. The next prime is 531234203. The reversal of 531234155 is 551432135.

It is an interprime number because it is at equal distance from previous prime (531234107) and next prime (531234203).

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

It is a cyclic number.

It is not a de Polignac number, because 531234155 - 216 = 531168619 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60434 + ... + 68663.

It is an arithmetic number, because the mean of its divisors is an integer number (79782564).

Almost surely, 2531234155 is an apocalyptic number.

531234155 is a deficient number, since it is larger than the sum of its proper divisors (107026357).

531234155 is a wasteful number, since it uses less digits than its factorization.

531234155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129925.

The product of its digits is 9000, while the sum is 29.

The square root of 531234155 is about 23048.5174143588. The cubic root of 531234155 is about 809.8948982159.

The spelling of 531234155 in words is "five hundred thirty-one million, two hundred thirty-four thousand, one hundred fifty-five".

Divisors: 1 5 823 4115 129097 645485 106246831 531234155