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40915248 = 2431177491
BaseRepresentation
bin1001110000010…
…1000100110000
32211222201011120
42130011010300
540433241443
64020542240
71004526303
oct234050460
984881146
1040915248
1121106260
1211851980
13862730a
145610b3a
1538d3083
hex2705130

40915248 has 40 divisors (see below), whose sum is σ = 115308096. Its totient is φ = 12398400.

The previous prime is 40915247. The next prime is 40915297. The reversal of 40915248 is 84251904.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (40915247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38218 + ... + 39273.

Almost surely, 240915248 is an apocalyptic number.

40915248 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40915248 is an abundant number, since it is smaller than the sum of its proper divisors (74392848).

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

40915248 is a wasteful number, since it uses less digits than its factorization.

40915248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77513 (or 77507 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 40915248 is about 6396.5027944964. The cubic root of 40915248 is about 344.5839639516.

It can be divided in two parts, 4091 and 5248, that added together give a palindrome (9339).

The spelling of 40915248 in words is "forty million, nine hundred fifteen thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 77491 154982 232473 309964 464946 619928 852401 929892 1239856 1704802 1859784 2557203 3409604 3719568 5114406 6819208 10228812 13638416 20457624 40915248