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40873470 = 23511294271
BaseRepresentation
bin1001101111101…
…0110111111110
32211220120212020
42123322313332
540430422340
64020021010
71004263431
oct233726776
984816766
1040873470
1121087930
1211831766
1386112b1
1455dd818
1538c59d0
hex26fadfe

40873470 has 64 divisors (see below), whose sum is σ = 110730240. Its totient is φ = 9564800.

The previous prime is 40873453. The next prime is 40873471. The reversal of 40873470 is 7437804.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40873471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7435 + ... + 11705.

It is an arithmetic number, because the mean of its divisors is an integer number (1730160).

Almost surely, 240873470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40873470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55365120).

40873470 is an abundant number, since it is smaller than the sum of its proper divisors (69856770).

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

40873470 is a wasteful number, since it uses less digits than its factorization.

40873470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4321.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 40873470 is about 6393.2362696838. The cubic root of 40873470 is about 344.4666406863.

It can be divided in two parts, 408734 and 70, that added together give a palindrome (408804).

The spelling of 40873470 in words is "forty million, eight hundred seventy-three thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 11 15 22 29 30 33 55 58 66 87 110 145 165 174 290 319 330 435 638 870 957 1595 1914 3190 4271 4785 8542 9570 12813 21355 25626 42710 46981 64065 93962 123859 128130 140943 234905 247718 281886 371577 469810 619295 704715 743154 1238590 1362449 1409430 1857885 2724898 3715770 4087347 6812245 8174694 13624490 20436735 40873470