Search a number
-
+
40069310 = 254006931
BaseRepresentation
bin1001100011011…
…0100010111110
32210101201202112
42120312202332
540224204220
63550454022
7664404101
oct230664276
983351675
1040069310
1120688736
1211504312
1383bc268
145470738
1537b75c5
hex26368be

40069310 has 8 divisors (see below), whose sum is σ = 72124776. Its totient is φ = 16027720.

The previous prime is 40069307. The next prime is 40069331. The reversal of 40069310 is 1396004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×400693102 = 3211099207752200, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 2003456 + ... + 2003475.

It is an arithmetic number, because the mean of its divisors is an integer number (9015597).

Almost surely, 240069310 is an apocalyptic number.

40069310 is a deficient number, since it is larger than the sum of its proper divisors (32055466).

40069310 is a wasteful number, since it uses less digits than its factorization.

40069310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4006938.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 40069310 is about 6330.0323853832. The cubic root of 40069310 is about 342.1926060760.

The spelling of 40069310 in words is "forty million, sixty-nine thousand, three hundred ten".

Divisors: 1 2 5 10 4006931 8013862 20034655 40069310