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140486528 = 2772131723
BaseRepresentation
bin10000101111110…
…10011110000000
3100210100110021202
420113322132000
5241431032103
621535040332
73324054500
oct1027723600
9323313252
10140486528
1172334676
123b0700a8
132314a930
141492da00
15c500988
hex85fa780

140486528 has 96 divisors (see below), whose sum is σ = 350816760. Its totient is φ = 55544832.

The previous prime is 140486509. The next prime is 140486531. The reversal of 140486528 is 825684041.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 140486491 and 140486500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80675 + ... + 82397.

Almost surely, 2140486528 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 140486528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175408380).

140486528 is an abundant number, since it is smaller than the sum of its proper divisors (210330232).

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

140486528 is a wasteful number, since it uses less digits than its factorization.

140486528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764 (or 1745 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 140486528 is about 11852.7012954853. The cubic root of 140486528 is about 519.8502132681.

The spelling of 140486528 in words is "one hundred forty million, four hundred eighty-six thousand, five hundred twenty-eight".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 49 52 56 64 91 98 104 112 128 182 196 208 224 364 392 416 448 637 728 784 832 896 1274 1456 1568 1664 1723 2548 2912 3136 3446 5096 5824 6272 6892 10192 11648 12061 13784 20384 22399 24122 27568 40768 44798 48244 55136 81536 84427 89596 96488 110272 156793 168854 179192 192976 220544 313586 337708 358384 385952 627172 675416 716768 771904 1097551 1254344 1350832 1433536 1543808 2195102 2508688 2701664 2867072 4390204 5017376 5403328 8780408 10034752 10806656 17560816 20069504 35121632 70243264 140486528