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8308412838 = 2341130715187
BaseRepresentation
bin1111011110011100…
…00101000110100110
3210110000202002210000
413233032011012212
5114003423202323
63452234042130
7412614225645
oct75716050646
923400662700
108308412838
1135839785a0
12173a579346
13a253c821b
1458b62b35c
1533961be43
hex1ef3851a6

8308412838 has 80 divisors (see below), whose sum is σ = 20376949824. Its totient is φ = 2509334640.

The previous prime is 8308412837. The next prime is 8308412851. The reversal of 8308412838 is 8382148038.

It is a junction number, because it is equal to n+sod(n) for n = 8308412793 and 8308412802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8308412837) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 539481 + ... + 554667.

Almost surely, 28308412838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8308412838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10188474912).

8308412838 is an abundant number, since it is smaller than the sum of its proper divisors (12068536986).

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

8308412838 is a wasteful number, since it uses less digits than its factorization.

8308412838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15519 (or 15510 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 8308412838 is about 91150.4955444566. The cubic root of 8308412838 is about 2025.3776941588.

The spelling of 8308412838 in words is "eight billion, three hundred eight million, four hundred twelve thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 81 99 162 198 297 307 594 614 891 921 1782 1842 2763 3377 5526 6754 8289 10131 15187 16578 20262 24867 30374 30393 45561 49734 60786 91122 91179 136683 167057 182358 273366 273537 334114 410049 501171 547074 820098 1002342 1230147 1503513 2460294 3007026 4510539 4662409 9021078 9324818 13531617 13987227 27063234 27974454 41961681 51286499 83923362 102572998 125885043 153859497 251770086 307718994 377655129 461578491 755310258 923156982 1384735473 2769470946 4154206419 8308412838