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30152712 = 2334130643
BaseRepresentation
bin111001100000…
…1100000001000
32002201220202010
41303001200020
530204341322
62554135520
7514202532
oct163014010
962656663
1030152712
11160251a7
12a1215a0
136329655
14400c852
1529a920c
hex1cc1808

30152712 has 32 divisors (see below), whose sum is σ = 77222880. Its totient is φ = 9805440.

The previous prime is 30152657. The next prime is 30152767. The reversal of 30152712 is 21725103.

It is an interprime number because it is at equal distance from previous prime (30152657) and next prime (30152767).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14338 + ... + 16305.

It is an arithmetic number, because the mean of its divisors is an integer number (2413215).

Almost surely, 230152712 is an apocalyptic number.

It is an amenable number.

30152712 is an abundant number, since it is smaller than the sum of its proper divisors (47070168).

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

30152712 is a wasteful number, since it uses less digits than its factorization.

30152712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30693 (or 30689 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 30152712 is about 5491.1485137446. The cubic root of 30152712 is about 311.2495937157.

Adding to 30152712 its reverse (21725103), we get a palindrome (51877815).

The spelling of 30152712 in words is "thirty million, one hundred fifty-two thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 41 82 123 164 246 328 492 984 30643 61286 91929 122572 183858 245144 367716 735432 1256363 2512726 3769089 5025452 7538178 10050904 15076356 30152712