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30422532 = 22372311669
BaseRepresentation
bin111010000001…
…1011000000100
32010020121212110
41310003120010
530242010112
63004021020
7516405300
oct164033004
963217773
1030422532
1116199998
12a231770
1363c23ca
14407cd00
152a0e13c
hex1d03604

30422532 has 72 divisors (see below), whose sum is σ = 85290240. Its totient is φ = 8406720.

The previous prime is 30422527. The next prime is 30422551. The reversal of 30422532 is 23522403.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 30422499 and 30422508.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17394 + ... + 19062.

Almost surely, 230422532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30422532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42645120).

30422532 is an abundant number, since it is smaller than the sum of its proper divisors (54867708).

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

30422532 is a wasteful number, since it uses less digits than its factorization.

30422532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721 (or 1712 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 30422532 is about 5515.6624262186. The cubic root of 30422532 is about 312.1752385062.

Adding to 30422532 its reverse (23522403), we get a palindrome (53944935).

The spelling of 30422532 in words is "thirty million, four hundred twenty-two thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 31 42 49 62 84 93 98 124 147 186 196 217 294 372 434 588 651 868 1302 1519 1669 2604 3038 3338 4557 5007 6076 6676 9114 10014 11683 18228 20028 23366 35049 46732 51739 70098 81781 103478 140196 155217 163562 206956 245343 310434 327124 362173 490686 620868 724346 981372 1086519 1448692 2173038 2535211 4346076 5070422 7605633 10140844 15211266 30422532