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472555531 = 7471436339
BaseRepresentation
bin11100001010101…
…010000000001011
31012221012022022201
4130022222000023
51431433234111
6114520301031
714465440630
oct3412520013
91187168281
10472555531
11222821a68
12112311777
1376b96376
1446a90187
152b7466c1
hex1c2aa00b

472555531 has 8 divisors (see below), whose sum is σ = 551554560. Its totient is φ = 396429288.

The previous prime is 472555529. The next prime is 472555547. The reversal of 472555531 is 135555274.

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 472555531 - 21 = 472555529 is a prime.

It is a super-2 number, since 2×4725555312 = 446617459757383922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472555931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717841 + ... + 718498.

It is an arithmetic number, because the mean of its divisors is an integer number (68944320).

Almost surely, 2472555531 is an apocalyptic number.

472555531 is a deficient number, since it is larger than the sum of its proper divisors (78999029).

472555531 is a wasteful number, since it uses less digits than its factorization.

472555531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436393.

The product of its digits is 105000, while the sum is 37.

The square root of 472555531 is about 21738.3424161089. The cubic root of 472555531 is about 778.9046267163.

The spelling of 472555531 in words is "four hundred seventy-two million, five hundred fifty-five thousand, five hundred thirty-one".

Divisors: 1 7 47 329 1436339 10054373 67507933 472555531