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8254134648 = 2332314997411
BaseRepresentation
bin1111010111111110…
…00001100101111000
3210022020121111002200
413223333001211320
5113401024302043
63443014430200
7411354662334
oct75377014570
923266544080
108254134648
113556275591
121724362360
13a170a2756
1458433c7c4
153349997d3
hex1ebfc1978

8254134648 has 96 divisors (see below), whose sum is σ = 23125440000. Its totient is φ = 2656929600.

The previous prime is 8254134619. The next prime is 8254134649. The reversal of 8254134648 is 8464314528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8254134649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1110063 + ... + 1117473.

It is an arithmetic number, because the mean of its divisors is an integer number (240890000).

Almost surely, 28254134648 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 8254134648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11562720000).

8254134648 is an abundant number, since it is smaller than the sum of its proper divisors (14871305352).

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

8254134648 is a wasteful number, since it uses less digits than its factorization.

8254134648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7953 (or 7946 counting only the distinct ones).

The product of its digits is 737280, while the sum is 45.

The square root of 8254134648 is about 90852.2682600715. The cubic root of 8254134648 is about 2020.9575116117.

The spelling of 8254134648 in words is "eight billion, two hundred fifty-four million, one hundred thirty-four thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 31 36 62 72 93 124 186 248 279 372 499 558 744 998 1116 1497 1996 2232 2994 3992 4491 5988 7411 8982 11976 14822 15469 17964 22233 29644 30938 35928 44466 46407 59288 61876 66699 88932 92814 123752 133398 139221 177864 185628 229741 266796 278442 371256 459482 533592 556884 689223 918964 1113768 1378446 1837928 2067669 2756892 3698089 4135338 5513784 7396178 8270676 11094267 14792356 16541352 22188534 29584712 33282801 44377068 66565602 88754136 114640759 133131204 229281518 266262408 343922277 458563036 687844554 917126072 1031766831 1375689108 2063533662 2751378216 4127067324 8254134648