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30152254 = 2111780621
BaseRepresentation
bin111001100000…
…1011000111110
32002201220010011
41303001120332
530204333004
62554133434
7514201306
oct163013076
962656104
1030152254
1116024920
12a12127a
136329392
14400c606
1529a9004
hex1cc163e

30152254 has 16 divisors (see below), whose sum is σ = 52243056. Its totient is φ = 12899200.

The previous prime is 30152249. The next prime is 30152267. The reversal of 30152254 is 45225103.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 39937 + ... + 40684.

It is an arithmetic number, because the mean of its divisors is an integer number (3265191).

Almost surely, 230152254 is an apocalyptic number.

30152254 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

30152254 is a deficient number, since it is larger than the sum of its proper divisors (22090802).

30152254 is a wasteful number, since it uses less digits than its factorization.

30152254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80651.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 30152254 is about 5491.1068101067. The cubic root of 30152254 is about 311.2480178150.

Adding to 30152254 its reverse (45225103), we get a palindrome (75377357).

The spelling of 30152254 in words is "thirty million, one hundred fifty-two thousand, two hundred fifty-four".

Divisors: 1 2 11 17 22 34 187 374 80621 161242 886831 1370557 1773662 2741114 15076127 30152254