Search a number
-
+
155104994 = 2117050227
BaseRepresentation
bin10010011111010…
…11011011100010
3101210212011001102
421033223123202
5304201324434
623220234402
73562241102
oct1117533342
9353764042
10155104994
117a609750
1243b3ba02
1326198705
1416857202
15d93c07e
hex93eb6e2

155104994 has 8 divisors (see below), whose sum is σ = 253808208. Its totient is φ = 70502260.

The previous prime is 155104981. The next prime is 155105051. The reversal of 155104994 is 499401551.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3525092 + ... + 3525135.

It is an arithmetic number, because the mean of its divisors is an integer number (31726026).

Almost surely, 2155104994 is an apocalyptic number.

155104994 is a deficient number, since it is larger than the sum of its proper divisors (98703214).

155104994 is a wasteful number, since it uses less digits than its factorization.

155104994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7050240.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 155104994 is about 12454.1155446704. The cubic root of 155104994 is about 537.2897973082.

The spelling of 155104994 in words is "one hundred fifty-five million, one hundred four thousand, nine hundred ninety-four".

Divisors: 1 2 11 22 7050227 14100454 77552497 155104994