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30140152 = 2372272371
BaseRepresentation
bin111001011111…
…0011011111000
32002201021111221
41302332123320
530203441102
62554001424
7514121110
oct162763370
962637457
1030140152
1116016819
12a116274
136323a13
144008040
1529a5637
hex1cbe6f8

30140152 has 32 divisors (see below), whose sum is σ = 64897920. Its totient is φ = 12854880.

The previous prime is 30140141. The next prime is 30140171. The reversal of 30140152 is 25104103.

30140152 = T113 + T114 + ... + T566.

It is a congruent number.

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, 11527 + ... + 13897.

It is an arithmetic number, because the mean of its divisors is an integer number (2028060).

Almost surely, 230140152 is an apocalyptic number.

It is an amenable number.

30140152 is an abundant number, since it is smaller than the sum of its proper divisors (34757768).

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

30140152 is a wasteful number, since it uses less digits than its factorization.

30140152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2611 (or 2607 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 30140152 is about 5490.0047358814. The cubic root of 30140152 is about 311.2063710937.

Adding to 30140152 its reverse (25104103), we get a palindrome (55244255).

The spelling of 30140152 in words is "thirty million, one hundred forty thousand, one hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 56 227 454 908 1589 1816 2371 3178 4742 6356 9484 12712 16597 18968 33194 66388 132776 538217 1076434 2152868 3767519 4305736 7535038 15070076 30140152