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442472607 = 3249163623
BaseRepresentation
bin11010010111111…
…001100010011111
31010211120221022100
4122113321202133
51401233110412
6111523420143
713651645413
oct3227714237
91124527270
10442472607
11207845245
12104224653
1370892715
1442a9cd43
1528ca2edc
hex1a5f989f

442472607 has 6 divisors (see below), whose sum is σ = 639127112. Its totient is φ = 294981732.

The previous prime is 442472593. The next prime is 442472609. The reversal of 442472607 is 706274244.

It is a happy number.

442472607 is a `hidden beast` number, since 4 + 4 + 2 + 47 + 2 + 607 = 666.

It is not a de Polignac number, because 442472607 - 27 = 442472479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442472609) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24581803 + ... + 24581820.

Almost surely, 2442472607 is an apocalyptic number.

442472607 is a deficient number, since it is larger than the sum of its proper divisors (196654505).

442472607 is a wasteful number, since it uses less digits than its factorization.

442472607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49163629 (or 49163626 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The square root of 442472607 is about 21035.0328499862. The cubic root of 442472607 is about 762.0125599848.

The spelling of 442472607 in words is "four hundred forty-two million, four hundred seventy-two thousand, six hundred seven".

Divisors: 1 3 9 49163623 147490869 442472607