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155541093 = 3263197137
BaseRepresentation
bin10010100010101…
…01111001100101
3101211200022021020
421101111321211
5304304303333
623233441353
73566035401
oct1121257145
9354608236
10155541093
117a887364
1244110259
13262bc066
141692c101
15d9c63b3
hex9455e65

155541093 has 8 divisors (see below), whose sum is σ = 208177728. Its totient is φ = 103299264.

The previous prime is 155541059. The next prime is 155541097. The reversal of 155541093 is 390145551.

155541093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 155541093 - 210 = 155540069 is a prime.

It is a super-2 number, since 2×1555410932 = 48386063223269298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155541097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97780 + ... + 99357.

It is an arithmetic number, because the mean of its divisors is an integer number (26022216).

Almost surely, 2155541093 is an apocalyptic number.

It is an amenable number.

155541093 is a deficient number, since it is larger than the sum of its proper divisors (52636635).

155541093 is a wasteful number, since it uses less digits than its factorization.

155541093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197403.

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 155541093 is about 12471.6114836857. The cubic root of 155541093 is about 537.7928808001.

The spelling of 155541093 in words is "one hundred fifty-five million, five hundred forty-one thousand, ninety-three".

Divisors: 1 3 263 789 197137 591411 51847031 155541093