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155097268 = 22173224129
BaseRepresentation
bin10010011111010…
…01100010110100
3101210211202110021
421033221202310
5304201103033
623220134524
73562206424
oct1117514264
9353752407
10155097268
117a603967
1243b37444
1326195041
1416854484
15d939b2d
hex93e98b4

155097268 has 12 divisors (see below), whose sum is σ = 272990340. Its totient is φ = 77100032.

The previous prime is 155097263. The next prime is 155097269. The reversal of 155097268 is 862790551.

155097268 is digitally balanced in base 2, 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 149279524 + 5817744 = 12218^2 + 2412^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155097263) 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, 111373 + ... + 112756.

It is an arithmetic number, because the mean of its divisors is an integer number (22749195).

Almost surely, 2155097268 is an apocalyptic number.

It is an amenable number.

155097268 is a deficient number, since it is larger than the sum of its proper divisors (117893072).

155097268 is a wasteful number, since it uses less digits than its factorization.

155097268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224306 (or 224304 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 43.

The square root of 155097268 is about 12453.8053622176. The cubic root of 155097268 is about 537.2808761041.

The spelling of 155097268 in words is "one hundred fifty-five million, ninety-seven thousand, two hundred sixty-eight".

Divisors: 1 2 4 173 346 692 224129 448258 896516 38774317 77548634 155097268