Search a number
-
+
40031346 = 236671891
BaseRepresentation
bin1001100010110…
…1010001110010
32210022210200110
42120231101302
540222000341
63550002150
7664155315
oct230552162
983283613
1040031346
1120662163
12114a6356
1383a7bb4
14546097c
1537ab216
hex262d472

40031346 has 8 divisors (see below), whose sum is σ = 80062704. Its totient is φ = 13343780.

The previous prime is 40031317. The next prime is 40031353. The reversal of 40031346 is 64313004.

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

40031346 is an admirable 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, 3335940 + ... + 3335951.

It is an arithmetic number, because the mean of its divisors is an integer number (10007838).

Almost surely, 240031346 is an apocalyptic number.

40031346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40031346 is a wasteful number, since it uses less digits than its factorization.

40031346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6671896.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 40031346 is about 6327.0329539208. The cubic root of 40031346 is about 342.0845008531.

The spelling of 40031346 in words is "forty million, thirty-one thousand, three hundred forty-six".

Divisors: 1 2 3 6 6671891 13343782 20015673 40031346