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426970047 = 3737549511
BaseRepresentation
bin11001011100110…
…000101110111111
31002202102022210110
4121130300232333
51333301020142
6110211241103
713403120430
oct3134605677
91082368713
10426970047
111aa016a09
12baba9193
136a5c53ca
14409c5487
152773e99c
hex19730bbf

426970047 has 16 divisors (see below), whose sum is σ = 668206592. Its totient is φ = 237388320.

The previous prime is 426970031. The next prime is 426970051. The reversal of 426970047 is 740079624.

It is not a de Polignac number, because 426970047 - 24 = 426970031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 426969987 and 426970014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426970057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273979 + ... + 275532.

It is an arithmetic number, because the mean of its divisors is an integer number (41762912).

Almost surely, 2426970047 is an apocalyptic number.

426970047 is a deficient number, since it is larger than the sum of its proper divisors (241236545).

426970047 is a wasteful number, since it uses less digits than its factorization.

426970047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549558.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 426970047 is about 20663.2535434282. The cubic root of 426970047 is about 753.0072132203.

The spelling of 426970047 in words is "four hundred twenty-six million, nine hundred seventy thousand, forty-seven".

Divisors: 1 3 7 21 37 111 259 777 549511 1648533 3846577 11539731 20331907 60995721 142323349 426970047