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472321240 = 23511808031
BaseRepresentation
bin11100001001110…
…000110011011000
31012220202101221021
4130021300303120
51431403234430
6114511252224
714463443566
oct3411606330
91186671837
10472321240
11222681a36
1211221a074
1376b13831
1446a2ca36
152b6ec07a
hex1c270cd8

472321240 has 16 divisors (see below), whose sum is σ = 1062722880. Its totient is φ = 188928480.

The previous prime is 472321207. The next prime is 472321249. The reversal of 472321240 is 42123274.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472321249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5903976 + ... + 5904055.

It is an arithmetic number, because the mean of its divisors is an integer number (66420180).

Almost surely, 2472321240 is an apocalyptic number.

472321240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

472321240 is an abundant number, since it is smaller than the sum of its proper divisors (590401640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

472321240 is a wasteful number, since it uses less digits than its factorization.

472321240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11808042 (or 11808038 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 472321240 is about 21732.9528596553. The cubic root of 472321240 is about 778.7758795818.

The spelling of 472321240 in words is "four hundred seventy-two million, three hundred twenty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 11808031 23616062 47232124 59040155 94464248 118080310 236160620 472321240