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24422972 = 22742543
BaseRepresentation
bin101110100101…
…0101000111100
31200221211000112
41131022220330
522223013342
62231245152
7414410000
oct135125074
950854015
1024422972
1112871382
1282197b8
1350a1682
14335a700
152226682
hex174aa3c

24422972 has 30 divisors (see below), whose sum is σ = 49880208. Its totient is φ = 10462872.

The previous prime is 24422963. The next prime is 24422977. The reversal of 24422972 is 27922442.

It is a super-2 number, since 2×244229722 = 1192963122625568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24422977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8333 + ... + 10875.

Almost surely, 224422972 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 24422972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24940104).

24422972 is an abundant number, since it is smaller than the sum of its proper divisors (25457236).

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

24422972 is an equidigital number, since it uses as much as digits as its factorization.

24422972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575 (or 2552 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 24422972 is about 4941.9603397842. The cubic root of 24422972 is about 290.1345867568.

The spelling of 24422972 in words is "twenty-four million, four hundred twenty-two thousand, nine hundred seventy-two".

Divisors: 1 2 4 7 14 28 49 98 196 343 686 1372 2401 2543 4802 5086 9604 10172 17801 35602 71204 124607 249214 498428 872249 1744498 3488996 6105743 12211486 24422972