Search a number
-
+
126943040 = 265756671
BaseRepresentation
bin1111001000011…
…11111101000000
322211212101010002
413210033331000
5224444134130
620332455132
73100666220
oct744177500
9284771102
10126943040
1165724204
123661a4a8
13203b8233
1412c06080
15b227b45
hex790ff40

126943040 has 56 divisors (see below), whose sum is σ = 345472512. Its totient is φ = 43522560.

The previous prime is 126943031. The next prime is 126943051. The reversal of 126943040 is 40349621.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×1269430402 = 32229070808883200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126942994 and 126943012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26096 + ... + 30575.

It is an arithmetic number, because the mean of its divisors is an integer number (6169152).

Almost surely, 2126943040 is an apocalyptic number.

126943040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126943040 is an abundant number, since it is smaller than the sum of its proper divisors (218529472).

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

126943040 is an equidigital number, since it uses as much as digits as its factorization.

126943040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56695 (or 56685 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 126943040 is about 11266.9001948184. The cubic root of 126943040 is about 502.5774110751.

The spelling of 126943040 in words is "one hundred twenty-six million, nine hundred forty-three thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 140 160 224 280 320 448 560 1120 2240 56671 113342 226684 283355 396697 453368 566710 793394 906736 1133420 1586788 1813472 1983485 2266840 3173576 3626944 3966970 4533680 6347152 7933940 9067360 12694304 15867880 18134720 25388608 31735760 63471520 126943040