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30025152 = 263252127
BaseRepresentation
bin111001010001…
…0010111000000
32002111102202200
41302202113000
530141301102
62551313200
7513131613
oct162422700
962442680
1030025152
1115a48383
12a07b800
1362b3581
143db817a
15298151c
hex1ca25c0

30025152 has 42 divisors (see below), whose sum is σ = 86063328. Its totient is φ = 10008192.

The previous prime is 30025147. The next prime is 30025153. The reversal of 30025152 is 25152003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30025153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25488 + ... + 26639.

Almost surely, 230025152 is an apocalyptic number.

30025152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30025152 is an abundant number, since it is smaller than the sum of its proper divisors (56038176).

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

30025152 is a wasteful number, since it uses less digits than its factorization.

30025152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52145 (or 52132 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 30025152 is about 5479.5211469617. The cubic root of 30025152 is about 310.8100631298.

Adding to 30025152 its reverse (25152003), we get a palindrome (55177155).

It can be divided in two parts, 300 and 25152, that added together give a palindrome (25452).

The spelling of 30025152 in words is "thirty million, twenty-five thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 52127 104254 156381 208508 312762 417016 469143 625524 834032 938286 1251048 1668064 1876572 2502096 3336128 3753144 5004192 7506288 10008384 15012576 30025152