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127040030 = 25131079133
BaseRepresentation
bin1111001001001…
…11101000011110
322212001022011022
413210213220132
5230010240110
620334524142
73101552045
oct744475036
9285038138
10127040030
1165790067
1236666652
1320420420
1412c2d55c
15b246755
hex7927a1e

127040030 has 32 divisors (see below), whose sum is σ = 248590944. Its totient is φ = 46463616.

The previous prime is 127039999. The next prime is 127040033. The reversal of 127040030 is 30040721.

It is a happy number.

It is a super-2 number, since 2×1270400302 = 32278338444801800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 127039990 and 127040008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127040033) 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, 9344 + ... + 18476.

It is an arithmetic number, because the mean of its divisors is an integer number (7768467).

Almost surely, 2127040030 is an apocalyptic number.

127040030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

127040030 is a deficient number, since it is larger than the sum of its proper divisors (121550914).

127040030 is a wasteful number, since it uses less digits than its factorization.

127040030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9260.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 127040030 is about 11271.2035737094. The cubic root of 127040030 is about 502.7053754859.

Adding to 127040030 its reverse (30040721), we get a palindrome (157080751).

The spelling of 127040030 in words is "one hundred twenty-seven million, forty thousand, thirty".

Divisors: 1 2 5 10 13 26 65 107 130 214 535 1070 1391 2782 6955 9133 13910 18266 45665 91330 118729 237458 593645 977231 1187290 1954462 4886155 9772310 12704003 25408006 63520015 127040030