[go: up one dir, main page]

Search a number
-
+
40087850 = 25211233169
BaseRepresentation
bin1001100011101…
…1000100101010
32210102200012012
42120323010222
540230302400
63551115522
7664512125
oct230730452
983380165
1040087850
11206a0660
1211512ba2
1383c782a
1454773bc
1537bcd35
hex263b12a

40087850 has 48 divisors (see below), whose sum is σ = 84905280. Its totient is φ = 13939200.

The previous prime is 40087843. The next prime is 40087897. The reversal of 40087850 is 5878004.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11066 + ... + 14234.

It is an arithmetic number, because the mean of its divisors is an integer number (1768860).

Almost surely, 240087850 is an apocalyptic number.

40087850 is an abundant number, since it is smaller than the sum of its proper divisors (44817430).

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

40087850 is a wasteful number, since it uses less digits than its factorization.

40087850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215 (or 3210 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 40087850 is about 6331.4966635070. The cubic root of 40087850 is about 342.2453752459.

The spelling of 40087850 in words is "forty million, eighty-seven thousand, eight hundred fifty".

Divisors: 1 2 5 10 11 22 23 25 46 50 55 110 115 230 253 275 506 550 575 1150 1265 2530 3169 6325 6338 12650 15845 31690 34859 69718 72887 79225 145774 158450 174295 348590 364435 728870 801757 871475 1603514 1742950 1822175 3644350 4008785 8017570 20043925 40087850