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40488768 = 263323431
BaseRepresentation
bin1001101001110…
…0111101000000
32211012001011000
42122130331000
540331120033
64003452000
71001102025
oct232347500
984161130
1040488768
11209448a1
1211687000
138508168
14553d54c
15384ba13
hex269cf40

40488768 has 56 divisors (see below), whose sum is σ = 119034560. Its totient is φ = 13495680.

The previous prime is 40488731. The next prime is 40488797. The reversal of 40488768 is 86788404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9988 + ... + 13443.

Almost surely, 240488768 is an apocalyptic number.

40488768 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40488768 is an abundant number, since it is smaller than the sum of its proper divisors (78545792).

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

40488768 is a wasteful number, since it uses less digits than its factorization.

40488768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23452 (or 23436 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 40488768 is about 6363.0785002230. The cubic root of 40488768 is about 343.3825230891.

The spelling of 40488768 in words is "forty million, four hundred eighty-eight thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 144 192 216 288 432 576 864 1728 23431 46862 70293 93724 140586 187448 210879 281172 374896 421758 562344 632637 749792 843516 1124688 1265274 1499584 1687032 2249376 2530548 3374064 4498752 5061096 6748128 10122192 13496256 20244384 40488768