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127740074 = 27111759827
BaseRepresentation
bin1111001110100…
…10100010101010
322220100212102212
413213102202222
5230200140244
620401525122
73110526020
oct747224252
9286325385
10127740074
1166119010
12369437a2
1320606c57
1412d72710
15b333d9e
hex79d28aa

127740074 has 64 divisors (see below), whose sum is σ = 257541120. Its totient is φ = 45991680.

The previous prime is 127740073. The next prime is 127740079. The reversal of 127740074 is 470047721.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 127740074.

It is not an unprimeable number, because it can be changed into a prime (127740073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154049 + ... + 154875.

It is an arithmetic number, because the mean of its divisors is an integer number (4024080).

Almost surely, 2127740074 is an apocalyptic number.

127740074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

127740074 is an abundant number, since it is smaller than the sum of its proper divisors (129801046).

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

127740074 is a wasteful number, since it uses less digits than its factorization.

127740074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923.

The product of its (nonzero) digits is 10976, while the sum is 32.

The square root of 127740074 is about 11302.2154465397. The cubic root of 127740074 is about 503.6270572896.

Adding to 127740074 its reverse (470047721), we get a palindrome (597787795).

The spelling of 127740074 in words is "one hundred twenty-seven million, seven hundred forty thousand, seventy-four".

Divisors: 1 2 7 11 14 17 22 34 59 77 118 119 154 187 238 374 413 649 826 827 1003 1298 1309 1654 2006 2618 4543 5789 7021 9086 9097 11033 11578 14042 14059 18194 22066 28118 48793 63679 77231 97586 98413 127358 154462 154649 196826 309298 341551 536723 683102 829481 1073446 1082543 1658962 2165086 3757061 5806367 7514122 9124291 11612734 18248582 63870037 127740074