Base | Representation |
---|---|
bin | 111001011110… |
… | …1010011110110 |
3 | 2002201001012012 |
4 | 1302331103312 |
5 | 30203314132 |
6 | 2553524222 |
7 | 514101503 |
oct | 162752366 |
9 | 62631165 |
10 | 30135542 |
11 | 16013308 |
12 | a113672 |
13 | 63218a8 |
14 | 40064aa |
15 | 29a40b2 |
hex | 1cbd4f6 |
30135542 has 8 divisors (see below), whose sum is σ = 45238176. Its totient is φ = 15056152.
The previous prime is 30135517. The next prime is 30135559. The reversal of 30135542 is 24553103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent 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, 2093 + ... + 8040.
It is an arithmetic number, because the mean of its divisors is an integer number (5654772).
Almost surely, 230135542 is an apocalyptic number.
30135542 is a deficient number, since it is larger than the sum of its proper divisors (15102634).
30135542 is a wasteful number, since it uses less digits than its factorization.
30135542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11622.
The product of its (nonzero) digits is 1800, while the sum is 23.
The square root of 30135542 is about 5489.5848659074. The cubic root of 30135542 is about 311.1905037271.
Adding to 30135542 its reverse (24553103), we get a palindrome (54688645).
The spelling of 30135542 in words is "thirty million, one hundred thirty-five thousand, five hundred forty-two".
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