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30420032232 = 23319202732911
BaseRepresentation
bin11100010101001011…
…001101101011101000
32220112000122202021110
4130111023031223220
5444300012012412
621550314510320
72124560002422
oct342513155350
986460582243
1030420032232
11119a0351507
125a8b7353a0
132b3a3cb695
141688145812
15bd0947d3c
hex7152cdae8

30420032232 has 64 divisors (see below), whose sum is σ = 80094643200. Its totient is φ = 9601295040.

The previous prime is 30420032207. The next prime is 30420032249. The reversal of 30420032232 is 23223002403.

It is a junction number, because it is equal to n+sod(n) for n = 30420032199 and 30420032208.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 907857 + ... + 940767.

It is an arithmetic number, because the mean of its divisors is an integer number (1251478800).

Almost surely, 230420032232 is an apocalyptic number.

It is an amenable number.

30420032232 is an abundant number, since it is smaller than the sum of its proper divisors (49674610968).

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

30420032232 is a wasteful number, since it uses less digits than its factorization.

30420032232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34966 (or 34962 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 30420032232 its reverse (23223002403), we get a palindrome (53643034635).

The spelling of 30420032232 in words is "thirty billion, four hundred twenty million, thirty-two thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 2027 4054 6081 8108 12162 16216 24324 32911 38513 48648 65822 77026 98733 115539 131644 154052 197466 231078 263288 308104 394932 462156 625309 789864 924312 1250618 1875927 2501236 3751854 5002472 7503708 15007416 66710597 133421194 200131791 266842388 400263582 533684776 800527164 1267501343 1601054328 2535002686 3802504029 5070005372 7605008058 10140010744 15210016116 30420032232