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155554130 = 2515555413
BaseRepresentation
bin10010100010110…
…01000101010010
3101211200222011002
421101121011102
5304310213010
623234022002
73566121404
oct1121310522
9354628132
10155554130
117a896136
1244117902
13262c4c84
1416932b74
15d9ca1a5
hex9459152

155554130 has 8 divisors (see below), whose sum is σ = 279997452. Its totient is φ = 62221648.

The previous prime is 155554127. The next prime is 155554141. The reversal of 155554130 is 31455551.

155554130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 152201569 + 3352561 = 12337^2 + 1831^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 155554093 and 155554102.

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 3 ways as a sum of consecutive naturals, for example, 7777697 + ... + 7777716.

Almost surely, 2155554130 is an apocalyptic number.

155554130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155554130 is a deficient number, since it is larger than the sum of its proper divisors (124443322).

155554130 is a wasteful number, since it uses less digits than its factorization.

155554130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15555420.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 155554130 is about 12472.1341397533. The cubic root of 155554130 is about 537.8079057897.

The spelling of 155554130 in words is "one hundred fifty-five million, five hundred fifty-four thousand, one hundred thirty".

Divisors: 1 2 5 10 15555413 31110826 77777065 155554130