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40180050 = 235523307
BaseRepresentation
bin1001100101000…
…1100101010010
32210121100200000
42121101211102
540241230200
63553110430
7665345001
oct231214522
983540600
1040180050
1120753959
1211558416
13842a7a1
14549cc38
1537da300
hex2651952

40180050 has 72 divisors (see below), whose sum is σ = 111982416. Its totient is φ = 10711440.

The previous prime is 40180037. The next prime is 40180069. The reversal of 40180050 is 5008104.

It is a super-2 number, since 2×401800502 = 3228872836005000, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10497 + ... + 13803.

Almost surely, 240180050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40180050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55991208).

40180050 is an abundant number, since it is smaller than the sum of its proper divisors (71802366).

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

40180050 is a wasteful number, since it uses less digits than its factorization.

40180050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3334 (or 3317 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 40180050 is about 6338.7735406780. The cubic root of 40180050 is about 342.5075566202.

Adding to 40180050 its reverse (5008104), we get a palindrome (45188154).

The spelling of 40180050 in words is "forty million, one hundred eighty thousand, fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 27 30 45 50 54 75 81 90 135 150 162 225 243 270 405 450 486 675 810 1215 1350 2025 2430 3307 4050 6075 6614 9921 12150 16535 19842 29763 33070 49605 59526 82675 89289 99210 148815 165350 178578 248025 267867 297630 446445 496050 535734 744075 803601 892890 1339335 1488150 1607202 2232225 2678670 4018005 4464450 6696675 8036010 13393350 20090025 40180050