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127074305 = 525414861
BaseRepresentation
bin1111001001100…
…00000000000001
322212010001011202
413210300000001
5230012334210
620335350545
73102054011
oct744600001
9285101152
10127074305
1165803896
1236682455
1320432bc7
1412c3bc41
15b2519a5
hex7930001

127074305 has 4 divisors (see below), whose sum is σ = 152489172. Its totient is φ = 101659440.

The previous prime is 127074253. The next prime is 127074313. The reversal of 127074305 is 503470721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27952369 + 99121936 = 5287^2 + 9956^2 .

It is not a de Polignac number, because 127074305 - 220 = 126025729 is a prime.

It is a super-2 number, since 2×1270743052 = 32295757982466050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12707426 + ... + 12707435.

It is an arithmetic number, because the mean of its divisors is an integer number (38122293).

It is a Proth number, since it is equal to 1939 ⋅ 216 + 1 and 1939 < 216.

Almost surely, 2127074305 is an apocalyptic number.

It is an amenable number.

127074305 is a deficient number, since it is larger than the sum of its proper divisors (25414867).

127074305 is an equidigital number, since it uses as much as digits as its factorization.

127074305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25414866.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 127074305 is about 11272.7239387825. The cubic root of 127074305 is about 502.7505808631.

The spelling of 127074305 in words is "one hundred twenty-seven million, seventy-four thousand, three hundred five".

Divisors: 1 5 25414861 127074305