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40030152 = 2333761739
BaseRepresentation
bin1001100010110…
…0111111001000
32210022202001020
42120230333020
540221431102
63545552440
7664151661
oct230547710
983282036
1040030152
1120661278
12114a5720
1383a74a6
145460368
1537aabbc
hex262cfc8

40030152 has 64 divisors (see below), whose sum is σ = 104606400. Its totient is φ = 12752640.

The previous prime is 40030127. The next prime is 40030157. The reversal of 40030152 is 25103004.

40030152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (40030157) 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 15 ways as a sum of consecutive naturals, for example, 53799 + ... + 54537.

It is an arithmetic number, because the mean of its divisors is an integer number (1634475).

Almost surely, 240030152 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 40030152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52303200).

40030152 is an abundant number, since it is smaller than the sum of its proper divisors (64576248).

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

40030152 is a wasteful number, since it uses less digits than its factorization.

40030152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846 (or 842 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 40030152 is about 6326.9385961933. The cubic root of 40030152 is about 342.0810997438.

Adding to 40030152 its reverse (25103004), we get a palindrome (65133156).

The spelling of 40030152 in words is "forty million, thirty thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 37 61 74 111 122 148 183 222 244 296 366 444 488 732 739 888 1464 1478 2217 2257 2956 4434 4514 5912 6771 8868 9028 13542 17736 18056 27084 27343 45079 54168 54686 82029 90158 109372 135237 164058 180316 218744 270474 328116 360632 540948 656232 1081896 1667923 3335846 5003769 6671692 10007538 13343384 20015076 40030152