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155323034 = 277661517
BaseRepresentation
bin10010100001000…
…00101010011010
3101211021020010222
421100200222122
5304230314114
623225040042
73564136556
oct1120405232
9354236128
10155323034
117a748549
1244026022
1326243a29
14168b2866
15d98198e
hex9420a9a

155323034 has 4 divisors (see below), whose sum is σ = 232984554. Its totient is φ = 77661516.

The previous prime is 155323001. The next prime is 155323037. The reversal of 155323034 is 430323551.

155323034 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 430323551 = 761474793.

It can be written as a sum of positive squares in only one way, i.e., 147744025 + 7579009 = 12155^2 + 2753^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 155322994 and 155323012.

It is not an unprimeable number, because it can be changed into a prime (155323037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38830757 + ... + 38830760.

Almost surely, 2155323034 is an apocalyptic number.

155323034 is a deficient number, since it is larger than the sum of its proper divisors (77661520).

155323034 is an equidigital number, since it uses as much as digits as its factorization.

155323034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77661519.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 155323034 is about 12462.8662032455. The cubic root of 155323034 is about 537.5414458036.

Adding to 155323034 its reverse (430323551), we get a palindrome (585646585).

The spelling of 155323034 in words is "one hundred fifty-five million, three hundred twenty-three thousand, thirty-four".

Divisors: 1 2 77661517 155323034