Search a number
-
+
40050450 = 23452112931
BaseRepresentation
bin1001100011000…
…1111100010010
32210100202220000
42120301330102
540223103300
63550230430
7664265106
oct230617422
983322800
1040050450
1120675550
12114b5416
1383b37bb
145467906
1537b1c00
hex2631f12

40050450 has 240 divisors, whose sum is σ = 129634560. Its totient is φ = 9072000.

The previous prime is 40050433. The next prime is 40050469. The reversal of 40050450 is 5405004.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1291935 + ... + 1291965.

It is an arithmetic number, because the mean of its divisors is an integer number (540144).

Almost surely, 240050450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40050450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64817280).

40050450 is an abundant number, since it is smaller than the sum of its proper divisors (89584110).

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

40050450 is a wasteful number, since it uses less digits than its factorization.

40050450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 40050450 is about 6328.5424862286. The cubic root of 40050450 is about 342.1389094075.

Adding to 40050450 its reverse (5405004), we get a palindrome (45455454).

The spelling of 40050450 in words is "forty million, fifty thousand, four hundred fifty".