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40241472 = 263316761
BaseRepresentation
bin1001100110000…
…0100101000000
32210201110220220
42121200211000
540300211342
63554303040
7666022035
oct231404500
983643826
1040241472
1120796017
1211587a80
13844c72b
1454b738c
1537ed5ec
hex2660940

40241472 has 56 divisors (see below), whose sum is σ = 109923072. Its totient is φ = 12979200.

The previous prime is 40241429. The next prime is 40241479. The reversal of 40241472 is 27414204.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40241479) 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, 2572 + ... + 9332.

It is an arithmetic number, because the mean of its divisors is an integer number (1962912).

Almost surely, 240241472 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 40241472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54961536).

40241472 is an abundant number, since it is smaller than the sum of its proper divisors (69681600).

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

40241472 is a wasteful number, since it uses less digits than its factorization.

40241472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6807 (or 6797 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 40241472 is about 6343.6166340661. The cubic root of 40241472 is about 342.6819946680.

Adding to 40241472 its reverse (27414204), we get a palindrome (67655676).

The spelling of 40241472 in words is "forty million, two hundred forty-one thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 31 32 48 62 64 93 96 124 186 192 248 372 496 744 992 1488 1984 2976 5952 6761 13522 20283 27044 40566 54088 81132 108176 162264 209591 216352 324528 419182 432704 628773 649056 838364 1257546 1298112 1676728 2515092 3353456 5030184 6706912 10060368 13413824 20120736 40241472