Search a number
-
+
40107964 = 22131759769
BaseRepresentation
bin1001100011111…
…1111110111100
32210110200210011
42120333332330
540231423324
63551353004
7664624561
oct230777674
983420704
1040107964
1120704786
1211522764
138403a30
145480868
1537c3c94
hex263ffbc

40107964 has 48 divisors (see below), whose sum is σ = 81496800. Its totient is φ = 17104896.

The previous prime is 40107959. The next prime is 40107979. The reversal of 40107964 is 46970104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51772 + ... + 52540.

It is an arithmetic number, because the mean of its divisors is an integer number (1697850).

Almost surely, 240107964 is an apocalyptic number.

It is an amenable number.

40107964 is an abundant number, since it is smaller than the sum of its proper divisors (41388836).

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

40107964 is a wasteful number, since it uses less digits than its factorization.

40107964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 40107964 is about 6333.0848723193. The cubic root of 40107964 is about 342.3026059901.

The spelling of 40107964 in words is "forty million, one hundred seven thousand, nine hundred sixty-four".

Divisors: 1 2 4 13 17 26 34 52 59 68 118 221 236 442 767 769 884 1003 1534 1538 2006 3068 3076 4012 9997 13039 13073 19994 26078 26146 39988 45371 52156 52292 90742 169949 181484 339898 589823 679796 771307 1179646 1542614 2359292 3085228 10026991 20053982 40107964