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155426027 = 631246317
BaseRepresentation
bin10010100001110…
…01110011101011
3101211110110102112
421100321303223
5304242113102
623231152535
73565046051
oct1120716353
9354413375
10155426027
117a808969
124407574b
132627b883
14168dc1d1
15d9a2252
hex9439ceb

155426027 has 4 divisors (see below), whose sum is σ = 155672976. Its totient is φ = 155179080.

The previous prime is 155426021. The next prime is 155426069. The reversal of 155426027 is 720624551.

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

It is a cyclic number.

It is not a de Polignac number, because 155426027 - 28 = 155425771 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155425984 and 155426002.

It is not an unprimeable number, because it can be changed into a prime (155426021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122528 + ... + 123789.

It is an arithmetic number, because the mean of its divisors is an integer number (38918244).

Almost surely, 2155426027 is an apocalyptic number.

155426027 is a deficient number, since it is larger than the sum of its proper divisors (246949).

155426027 is an equidigital number, since it uses as much as digits as its factorization.

155426027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246948.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 155426027 is about 12466.9975134352. The cubic root of 155426027 is about 537.6602321641.

The spelling of 155426027 in words is "one hundred fifty-five million, four hundred twenty-six thousand, twenty-seven".

Divisors: 1 631 246317 155426027