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30225456 = 24321712347
BaseRepresentation
bin111001101001…
…1010000110000
32002212121112100
41303103100300
530214203311
62555500400
7514624602
oct163232060
962777470
1030225456
1116074918
12a157700
1363537b1
14402b172
1529c0a56
hex1cd3430

30225456 has 60 divisors (see below), whose sum is σ = 89572392. Its totient is φ = 9481728.

The previous prime is 30225451. The next prime is 30225457. The reversal of 30225456 is 65452203.

It is not an unprimeable number, because it can be changed into a prime (30225451) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3726 + ... + 8621.

Almost surely, 230225456 is an apocalyptic number.

30225456 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30225456 is an abundant number, since it is smaller than the sum of its proper divisors (59346936).

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

30225456 is a wasteful number, since it uses less digits than its factorization.

30225456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12378 (or 12369 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 30225456 is about 5497.7682744910. The cubic root of 30225456 is about 311.4996912535.

Adding to 30225456 its reverse (65452203), we get a palindrome (95677659).

The spelling of 30225456 in words is "thirty million, two hundred twenty-five thousand, four hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 34 36 48 51 68 72 102 136 144 153 204 272 306 408 612 816 1224 2448 12347 24694 37041 49388 74082 98776 111123 148164 197552 209899 222246 296328 419798 444492 592656 629697 839596 888984 1259394 1679192 1777968 1889091 2518788 3358384 3778182 5037576 7556364 10075152 15112728 30225456