Search a number
-
+
40797954 = 2322978157
BaseRepresentation
bin1001101110100…
…0011100000010
32211202202021100
42123220130002
540421013304
64014235230
71003530321
oct233503402
984682240
1040797954
112103611a
12117b5b16
1385b5b02
1455c00b8
1538ad439
hex26e8702

40797954 has 24 divisors (see below), whose sum is σ = 91444860. Its totient is φ = 13130208.

The previous prime is 40797941. The next prime is 40797961. The reversal of 40797954 is 45979704.

It can be written as a sum of positive squares in 2 ways, for example, as 36324729 + 4473225 = 6027^2 + 2115^2 .

It is a super-2 number, since 2×407979542 = 3328946101172232, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 38557 + ... + 39600.

Almost surely, 240797954 is an apocalyptic number.

40797954 is an abundant number, since it is smaller than the sum of its proper divisors (50646906).

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

40797954 is a wasteful number, since it uses less digits than its factorization.

40797954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78194 (or 78191 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 40797954 is about 6387.3276101982. The cubic root of 40797954 is about 344.2543695048.

The spelling of 40797954 in words is "forty million, seven hundred ninety-seven thousand, nine hundred fifty-four".

Divisors: 1 2 3 6 9 18 29 58 87 174 261 522 78157 156314 234471 468942 703413 1406826 2266553 4533106 6799659 13599318 20398977 40797954