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40021062 = 23311032089
BaseRepresentation
bin1001100010101…
…0110001000110
32210022021120120
42120222301012
540221133222
63545442410
7664113324
oct230526106
983267516
1040021062
1120655464
12114a0406
1383a3303
14545ad14
1537a815c
hex262ac46

40021062 has 32 divisors (see below), whose sum is σ = 83466240. Its totient is φ = 12778560.

The previous prime is 40021061. The next prime is 40021117. The reversal of 40021062 is 26012004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40021061) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 18114 + ... + 20202.

It is an arithmetic number, because the mean of its divisors is an integer number (2608320).

Almost surely, 240021062 is an apocalyptic number.

40021062 is an abundant number, since it is smaller than the sum of its proper divisors (43445178).

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

40021062 is a wasteful number, since it uses less digits than its factorization.

40021062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 40021062 is about 6326.2201985072. The cubic root of 40021062 is about 342.0552046585.

Adding to 40021062 its reverse (26012004), we get a palindrome (66033066).

The spelling of 40021062 in words is "forty million, twenty-one thousand, sixty-two".

Divisors: 1 2 3 6 31 62 93 103 186 206 309 618 2089 3193 4178 6267 6386 9579 12534 19158 64759 129518 194277 215167 388554 430334 645501 1291002 6670177 13340354 20010531 40021062