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3980945488 = 2413171125833
BaseRepresentation
bin1110110101001000…
…0110100001010000
3101021102211222120111
43231102012201100
531123110223423
61455005251104
7200436323032
oct35522064120
911242758514
103980945488
11176315a2a3
12931263a94
134b59ac760
1429a9d3c52
1518475e60d
hexed486850

3980945488 has 40 divisors (see below), whose sum is σ = 8795015208. Its totient is φ = 1729277952.

The previous prime is 3980945473. The next prime is 3980945489. The reversal of 3980945488 is 8845490893.

It can be written as a sum of positive squares in 4 ways, for example, as 5895184 + 3975050304 = 2428^2 + 63048^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3980945489) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 559381 + ... + 566452.

Almost surely, 23980945488 is an apocalyptic number.

It is an amenable number.

3980945488 is an abundant number, since it is smaller than the sum of its proper divisors (4814069720).

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

3980945488 is a wasteful number, since it uses less digits than its factorization.

3980945488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125871 (or 1125865 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 58.

The square root of 3980945488 is about 63094.7342335317. The cubic root of 3980945488 is about 1584.8764429155.

The spelling of 3980945488 in words is "three billion, nine hundred eighty million, nine hundred forty-five thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 13 16 17 26 34 52 68 104 136 208 221 272 442 884 1768 3536 1125833 2251666 4503332 9006664 14635829 18013328 19139161 29271658 38278322 58543316 76556644 117086632 153113288 234173264 248809093 306226576 497618186 995236372 1990472744 3980945488