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126945360 = 2433558771
BaseRepresentation
bin1111001000100…
…00100001010000
322211212111022000
413210100201100
5224444222420
620332514000
73101006043
oct744204120
9284774260
10126945360
1165725a23
123661b900
13203b92c9
1412c06c5a
15b228690
hex7910850

126945360 has 80 divisors (see below), whose sum is σ = 437263680. Its totient is φ = 33851520.

The previous prime is 126945359. The next prime is 126945361. The reversal of 126945360 is 63549621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (126945359) and next prime (126945361).

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1269453602 = 32230248851059200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126945361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27226 + ... + 31545.

It is an arithmetic number, because the mean of its divisors is an integer number (5465796).

Almost surely, 2126945360 is an apocalyptic number.

126945360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126945360 is an abundant number, since it is smaller than the sum of its proper divisors (310318320).

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

126945360 is a wasteful number, since it uses less digits than its factorization.

126945360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58793 (or 58781 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 126945360 is about 11267.0031507939. The cubic root of 126945360 is about 502.5804727436.

The spelling of 126945360 in words is "one hundred twenty-six million, nine hundred forty-five thousand, three hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 90 108 120 135 144 180 216 240 270 360 432 540 720 1080 2160 58771 117542 176313 235084 293855 352626 470168 528939 587710 705252 881565 940336 1057878 1175420 1410504 1586817 1763130 2115756 2350840 2644695 2821008 3173634 3526260 4231512 4701680 5289390 6347268 7052520 7934085 8463024 10578780 12694536 14105040 15868170 21157560 25389072 31736340 42315120 63472680 126945360