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8434970954 = 217248087381
BaseRepresentation
bin1111101101100001…
…10111000101001010
3210202211212220212122
413312300313011022
5114233323032304
63512554411242
7416012033024
oct76660670512
923684786778
108434970954
113639359583
121774a30b22
13a456aa197
145a0373014
153457ba9be
hex1f6c3714a

8434970954 has 8 divisors (see below), whose sum is σ = 13396718628. Its totient is φ = 3969398080.

The previous prime is 8434970953. The next prime is 8434970977. The reversal of 8434970954 is 4590794348.

It can be written as a sum of positive squares in 2 ways, for example, as 6573479929 + 1861491025 = 81077^2 + 43145^2 .

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

It is a super-2 number, since 2×84349709542 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8434970896 and 8434970905.

It is not an unprimeable number, because it can be changed into a prime (8434970953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124043657 + ... + 124043724.

Almost surely, 28434970954 is an apocalyptic number.

8434970954 is a deficient number, since it is larger than the sum of its proper divisors (4961747674).

8434970954 is a wasteful number, since it uses less digits than its factorization.

8434970954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248087400.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The square root of 8434970954 is about 91842.0979398881. The cubic root of 8434970954 is about 2035.6097880604.

The spelling of 8434970954 in words is "eight billion, four hundred thirty-four million, nine hundred seventy thousand, nine hundred fifty-four".

Divisors: 1 2 17 34 248087381 496174762 4217485477 8434970954