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30102214 = 215051107
BaseRepresentation
bin111001011010…
…1001011000110
32002122100110211
41302311023012
530201232324
62553110034
7513602362
oct162651306
962570424
1030102214
1115aa026a
12a0b831a
13630c67c
143dd82a2
152999294
hex1cb52c6

30102214 has 4 divisors (see below), whose sum is σ = 45153324. Its totient is φ = 15051106.

The previous prime is 30102211. The next prime is 30102221. The reversal of 30102214 is 41220103.

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

It is a super-2 number, since 2×301022142 = 1812286575403592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30102194 and 30102203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30102211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7525552 + ... + 7525555.

It is an arithmetic number, because the mean of its divisors is an integer number (11288331).

Almost surely, 230102214 is an apocalyptic number.

30102214 is a deficient number, since it is larger than the sum of its proper divisors (15051110).

30102214 is a wasteful number, since it uses less digits than its factorization.

30102214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15051109.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 30102214 is about 5486.5484596420. The cubic root of 30102214 is about 311.0757424173.

Adding to 30102214 its reverse (41220103), we get a palindrome (71322317).

It can be divided in two parts, 3010221 and 4, that added together give a square (3010225 = 17352).

The spelling of 30102214 in words is "thirty million, one hundred two thousand, two hundred fourteen".

Divisors: 1 2 15051107 30102214