Search a number
-
+
155030622 = 2325838437
BaseRepresentation
bin10010011110110…
…01010001011110
3101210201101000220
421033121101132
5304141434442
623214502210
73561511215
oct1117312136
9353641026
10155030622
117a56888a
1243b04966
13261708c6
141683807c
15d924eec
hex93d945e

155030622 has 8 divisors (see below), whose sum is σ = 310061256. Its totient is φ = 51676872.

The previous prime is 155030621. The next prime is 155030639. The reversal of 155030622 is 226030551.

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

155030622 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 155030592 and 155030601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155030621) 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, 12919213 + ... + 12919224.

It is an arithmetic number, because the mean of its divisors is an integer number (38757657).

Almost surely, 2155030622 is an apocalyptic number.

155030622 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155030622 is a wasteful number, since it uses less digits than its factorization.

155030622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25838442.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 155030622 is about 12451.1293463685. The cubic root of 155030622 is about 537.2039077349.

The spelling of 155030622 in words is "one hundred fifty-five million, thirty thousand, six hundred twenty-two".

Divisors: 1 2 3 6 25838437 51676874 77515311 155030622