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155104190 = 2515510419
BaseRepresentation
bin10010011111010…
…11001110111110
3101210212002221122
421033223032332
5304201313230
623220230542
73562235543
oct1117531676
9353762848
10155104190
117a60908a
1243b3b452
1326198237
1416856bca
15d93bbe5
hex93eb3be

155104190 has 8 divisors (see below), whose sum is σ = 279187560. Its totient is φ = 62041672.

The previous prime is 155104177. The next prime is 155104193. The reversal of 155104190 is 91401551.

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

It is a super-2 number, since 2×1551041902 = 48114619511112200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155104193) 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, 7755200 + ... + 7755219.

It is an arithmetic number, because the mean of its divisors is an integer number (34898445).

Almost surely, 2155104190 is an apocalyptic number.

155104190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155104190 is a deficient number, since it is larger than the sum of its proper divisors (124083370).

155104190 is a wasteful number, since it uses less digits than its factorization.

155104190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15510426.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 155104190 is about 12454.0832661421. The cubic root of 155104190 is about 537.2888689440.

The spelling of 155104190 in words is "one hundred fifty-five million, one hundred four thousand, one hundred ninety".

Divisors: 1 2 5 10 15510419 31020838 77552095 155104190