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8434057984 = 281114920101
BaseRepresentation
bin1111101101011010…
…11000001100000000
3210202210011112111221
413312231120030000
5114233104323414
63512523044424
7416001211222
oct76655301400
923683145457
108434057984
113638895660
121774670714
13a4544a771
145a01b6412
1534568a224
hex1f6b58300

8434057984 has 72 divisors (see below), whose sum is σ = 18489819600. Its totient is φ = 3807744000.

The previous prime is 8434057963. The next prime is 8434058027. The reversal of 8434057984 is 4897504348.

It is a super-2 number, since 2×84340579842 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409534 + ... + 429634.

It is an arithmetic number, because the mean of its divisors is an integer number (256803050).

Almost surely, 28434057984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8434057984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9244909800).

8434057984 is an abundant number, since it is smaller than the sum of its proper divisors (10055761616).

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

8434057984 is a wasteful number, since it uses less digits than its factorization.

8434057984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20277 (or 20263 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 52.

The square root of 8434057984 is about 91837.1274812099. The cubic root of 8434057984 is about 2035.5363431237.

The spelling of 8434057984 in words is "eight billion, four hundred thirty-four million, fifty-seven thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 128 149 176 256 298 352 596 704 1192 1408 1639 2384 2816 3278 4768 6556 9536 13112 19072 20101 26224 38144 40202 52448 80404 104896 160808 209792 221111 321616 419584 442222 643232 884444 1286464 1768888 2572928 2995049 3537776 5145856 5990098 7075552 11980196 14151104 23960392 28302208 32945539 47920784 56604416 65891078 95841568 131782156 191683136 263564312 383366272 527128624 766732544 1054257248 2108514496 4217028992 8434057984