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24252040 = 235606301
BaseRepresentation
bin101110010000…
…0111010001000
31200122010112201
41130200322020
522202031130
62223445544
7413065441
oct134407210
950563481
1024252040
1112764a0a
1281568b4
135041927
1433142c8
1521e0bca
hex1720e88

24252040 has 16 divisors (see below), whose sum is σ = 54567180. Its totient is φ = 9700800.

The previous prime is 24252017. The next prime is 24252073. The reversal of 24252040 is 4025242.

It can be written as a sum of positive squares in 2 ways, for example, as 23174596 + 1077444 = 4814^2 + 1038^2 .

It is a super-2 number, since 2×242520402 = 1176322888323200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 24251999 and 24252017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303111 + ... + 303190.

Almost surely, 224252040 is an apocalyptic number.

24252040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24252040 is an abundant number, since it is smaller than the sum of its proper divisors (30315140).

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

24252040 is a wasteful number, since it uses less digits than its factorization.

24252040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606312 (or 606308 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 24252040 is about 4924.6360271598. The cubic root of 24252040 is about 289.4561348561.

Adding to 24252040 its reverse (4025242), we get a palindrome (28277282).

It can be divided in two parts, 2425 and 2040, that added together give a triangular number (4465 = T94).

The spelling of 24252040 in words is "twenty-four million, two hundred fifty-two thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 606301 1212602 2425204 3031505 4850408 6063010 12126020 24252040