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30181114 = 215090557
BaseRepresentation
bin111001100100…
…0011011111010
32002210100201001
41303020123322
530211243424
62554515214
7514351405
oct163103372
962710631
1030181114
1116044577
12a135b0a
136339562
144018d3c
1529b2844
hex1cc86fa

30181114 has 4 divisors (see below), whose sum is σ = 45271674. Its totient is φ = 15090556.

The previous prime is 30181033. The next prime is 30181117. The reversal of 30181114 is 41118103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 29343889 + 837225 = 5417^2 + 915^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30181091 and 30181100.

It is not an unprimeable number, because it can be changed into a prime (30181117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7545277 + ... + 7545280.

Almost surely, 230181114 is an apocalyptic number.

30181114 is a deficient number, since it is larger than the sum of its proper divisors (15090560).

30181114 is a wasteful number, since it uses less digits than its factorization.

30181114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15090559.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 30181114 is about 5493.7340670986. The cubic root of 30181114 is about 311.3472890385.

Adding to 30181114 its reverse (41118103), we get a palindrome (71299217).

The spelling of 30181114 in words is "thirty million, one hundred eighty-one thousand, one hundred fourteen".

Divisors: 1 2 15090557 30181114