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8434220654 = 231136035817
BaseRepresentation
bin1111101101011011…
…11111111001101110
3210202210110210122202
413312231333321232
5114233130030104
63512530341502
7416002456406
oct76655777156
923683423582
108434220654
1136389968a2
12177472a892
13a454a6812
145a0219806
153456bd51e
hex1f6b7fe6e

8434220654 has 8 divisors (see below), whose sum is σ = 13059438528. Its totient is φ = 4081074480.

The previous prime is 8434220653. The next prime is 8434220677. The reversal of 8434220654 is 4560224348.

It is a happy number.

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

It is a super-2 number, since 2×84342206542 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8434220651) 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, 68017847 + ... + 68017970.

It is an arithmetic number, because the mean of its divisors is an integer number (1632429816).

Almost surely, 28434220654 is an apocalyptic number.

8434220654 is a deficient number, since it is larger than the sum of its proper divisors (4625217874).

8434220654 is a wasteful number, since it uses less digits than its factorization.

8434220654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136035850.

The product of its (nonzero) digits is 184320, while the sum is 38.

The square root of 8434220654 is about 91838.0131209294. The cubic root of 8434220654 is about 2035.5494296897.

The spelling of 8434220654 in words is "eight billion, four hundred thirty-four million, two hundred twenty thousand, six hundred fifty-four".

Divisors: 1 2 31 62 136035817 272071634 4217110327 8434220654