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158055213 = 3401913109
BaseRepresentation
bin10010110101110…
…11101100101101
3102000102000222210
421122323230231
5310430231323
623403401033
73626306241
oct1132735455
9360360883
10158055213
1181244248
1244b23179
132698c4c4
1416dc4421
15dd21293
hex96bbb2d

158055213 has 8 divisors (see below), whose sum is σ = 210808800. Its totient is φ = 105335888.

The previous prime is 158055199. The next prime is 158055223. The reversal of 158055213 is 312550851.

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

It is a cyclic number.

It is not a de Polignac number, because 158055213 - 210 = 158054189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158055223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5503 + ... + 18611.

It is an arithmetic number, because the mean of its divisors is an integer number (26351100).

Almost surely, 2158055213 is an apocalyptic number.

It is an amenable number.

158055213 is a deficient number, since it is larger than the sum of its proper divisors (52753587).

158055213 is a wasteful number, since it uses less digits than its factorization.

158055213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17131.

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 158055213 is about 12572.0011533566. The cubic root of 158055213 is about 540.6749824170.

The spelling of 158055213 in words is "one hundred fifty-eight million, fifty-five thousand, two hundred thirteen".

Divisors: 1 3 4019 12057 13109 39327 52685071 158055213