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155135342 = 2199374357
BaseRepresentation
bin10010011111100…
…10110101101110
3101210220200200102
421033302311232
5304203312332
623221031102
73562425425
oct1117626556
9353820612
10155135342
117a62a52a
1243b55492
13261a947b
14168642bc
15d946062
hex93f2d6e

155135342 has 16 divisors (see below), whose sum is σ = 245268240. Its totient is φ = 73389888.

The previous prime is 155135329. The next prime is 155135359. The reversal of 155135342 is 243531551.

It is a congruent number.

It is an unprimeable number.

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, 33428 + ... + 37784.

It is an arithmetic number, because the mean of its divisors is an integer number (15329265).

Almost surely, 2155135342 is an apocalyptic number.

155135342 is a deficient number, since it is larger than the sum of its proper divisors (90132898).

155135342 is a wasteful number, since it uses less digits than its factorization.

155135342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5315.

The product of its digits is 9000, while the sum is 29.

The square root of 155135342 is about 12455.3338775000. Note that the first 3 decimals coincide. The cubic root of 155135342 is about 537.3248372447.

Adding to 155135342 its reverse (243531551), we get a palindrome (398666893).

The spelling of 155135342 in words is "one hundred fifty-five million, one hundred thirty-five thousand, three hundred forty-two".

Divisors: 1 2 19 38 937 1874 4357 8714 17803 35606 82783 165566 4082509 8165018 77567671 155135342