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155053102 = 2121763703
BaseRepresentation
bin10010011110111…
…10110000101110
3101210202111212111
421033132300232
5304143144402
623215154234
73561633601
oct1117366056
9353674774
10155053102
117a583766
1243b1597a
132617abc9
1416842338
15d92b9d7
hex93dec2e

155053102 has 8 divisors (see below), whose sum is σ = 232774416. Its totient is φ = 77461632.

The previous prime is 155053099. The next prime is 155053109. The reversal of 155053102 is 201350551.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155053109) 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, 29418 + ... + 34285.

It is an arithmetic number, because the mean of its divisors is an integer number (29096802).

Almost surely, 2155053102 is an apocalyptic number.

155053102 is a deficient number, since it is larger than the sum of its proper divisors (77721314).

155053102 is a wasteful number, since it uses less digits than its factorization.

155053102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64922.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 155053102 is about 12452.0320430041. The cubic root of 155053102 is about 537.2298719821.

The spelling of 155053102 in words is "one hundred fifty-five million, fifty-three thousand, one hundred two".

Divisors: 1 2 1217 2434 63703 127406 77526551 155053102