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127422664 = 23195631489
BaseRepresentation
bin1111001100001…
…01000011001000
322212202202000221
413212011003020
5230110011124
620351035424
73105034435
oct746050310
9285682027
10127422664
1165a21596
123680bb74
1320525635
1412cccb8c
15b2bece4
hex79850c8

127422664 has 32 divisors (see below), whose sum is σ = 252108000. Its totient is φ = 60210432.

The previous prime is 127422649. The next prime is 127422671. The reversal of 127422664 is 466224721.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84832 + ... + 86320.

It is an arithmetic number, because the mean of its divisors is an integer number (7878375).

Almost surely, 2127422664 is an apocalyptic number.

It is an amenable number.

127422664 is a deficient number, since it is larger than the sum of its proper divisors (124685336).

127422664 is a wasteful number, since it uses less digits than its factorization.

127422664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077 (or 2073 counting only the distinct ones).

The product of its digits is 32256, while the sum is 34.

The square root of 127422664 is about 11288.1647755514. The cubic root of 127422664 is about 503.2095718795.

The spelling of 127422664 in words is "one hundred twenty-seven million, four hundred twenty-two thousand, six hundred sixty-four".

Divisors: 1 2 4 8 19 38 76 152 563 1126 1489 2252 2978 4504 5956 10697 11912 21394 28291 42788 56582 85576 113164 226328 838307 1676614 3353228 6706456 15927833 31855666 63711332 127422664