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30152276 = 22711223439
BaseRepresentation
bin111001100000…
…1011001010100
32002201220010222
41303001121110
530204333101
62554133512
7514201340
oct163013124
962656128
1030152276
1116024940
12a121298
1363293ab
14400c620
1529a901b
hex1cc1654

30152276 has 48 divisors (see below), whose sum is σ = 66232320. Its totient is φ = 11668320.

The previous prime is 30152267. The next prime is 30152327. The reversal of 30152276 is 67225103.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 68465 + ... + 68903.

It is an arithmetic number, because the mean of its divisors is an integer number (1379840).

Almost surely, 230152276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30152276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33116160).

30152276 is an abundant number, since it is smaller than the sum of its proper divisors (36080044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30152276 is a wasteful number, since it uses less digits than its factorization.

30152276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684 (or 682 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 30152276 is about 5491.1088133454. The cubic root of 30152276 is about 311.2480935137.

Adding to 30152276 its reverse (67225103), we get a palindrome (97377379).

The spelling of 30152276 in words is "thirty million, one hundred fifty-two thousand, two hundred seventy-six".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 223 308 439 446 878 892 1561 1756 2453 3073 3122 4829 4906 6146 6244 9658 9812 12292 17171 19316 33803 34342 67606 68684 97897 135212 195794 391588 685279 1076867 1370558 2153734 2741116 4307468 7538069 15076138 30152276