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30552154 = 215276077
BaseRepresentation
bin111010010001…
…1000001011010
32010111012200021
41310203001122
530310132104
63010501054
7520455223
oct164430132
963435607
1030552154
1116278316
12a29478a
1364393c9
1440b424a
152a37754
hex1d2305a

30552154 has 4 divisors (see below), whose sum is σ = 45828234. Its totient is φ = 15276076.

The previous prime is 30552113. The next prime is 30552161. The reversal of 30552154 is 45125503.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45125503 = 95347351.

It can be written as a sum of positive squares in only one way, i.e., 19562929 + 10989225 = 4423^2 + 3315^2 .

It is a super-2 number, since 2×305521542 = 1866868228079432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7638037 + ... + 7638040.

Almost surely, 230552154 is an apocalyptic number.

30552154 is a deficient number, since it is larger than the sum of its proper divisors (15276080).

30552154 is a wasteful number, since it uses less digits than its factorization.

30552154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15276079.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 30552154 is about 5527.4002930853. The cubic root of 30552154 is about 312.6179744436.

Adding to 30552154 its reverse (45125503), we get a palindrome (75677657).

The spelling of 30552154 in words is "thirty million, five hundred fifty-two thousand, one hundred fifty-four".

Divisors: 1 2 15276077 30552154