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1070271378 = 2321127012
BaseRepresentation
bin111111110010110…
…000101110010010
32202120220102022200
4333302300232102
54142442141003
6254111344030
735344104501
oct7762605622
92676812280
101070271378
114aa15a800
1225a522016
13140972397
14a2200838
1563e626a3
hex3fcb0b92

1070271378 has 54 divisors (see below), whose sum is σ = 2552538261. Its totient is φ = 323862000.

The previous prime is 1070271353. The next prime is 1070271379. The reversal of 1070271378 is 8731720701.

It is a happy number.

1070271378 is a `hidden beast` number, since 10 + 7 + 0 + 271 + 378 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 903783969 + 166487409 = 30063^2 + 12903^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=23133.

It is a super-2 number, since 2×10702713782 = 2290961645132037768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1070271379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1526428 + ... + 1527128.

Almost surely, 21070271378 is an apocalyptic number.

1070271378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1070271378

1070271378 is an abundant number, since it is smaller than the sum of its proper divisors (1482266883).

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

1070271378 is an equidigital number, since it uses as much as digits as its factorization.

1070271378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432 (or 717 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 36.

The square root of 1070271378 is about 32715.0023383768. The cubic root of 1070271378 is about 1022.8955842093.

The spelling of 1070271378 in words is "one billion, seventy million, two hundred seventy-one thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 121 198 242 363 701 726 1089 1402 2103 2178 4206 6309 7711 12618 15422 23133 46266 69399 84821 138798 169642 254463 491401 508926 763389 982802 1474203 1526778 2948406 4422609 5405411 8845218 10810822 16216233 32432466 48648699 59459521 97297398 118919042 178378563 356757126 535135689 1070271378