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40080870 = 2325593751
BaseRepresentation
bin1001100011100…
…1010111100110
32210102022121200
42120321113212
540230041440
63551023330
7664452564
oct230712746
983368550
1040080870
1120696395
121150ab46
1383c45bb
145474a34
1537bac30
hex26395e6

40080870 has 48 divisors (see below), whose sum is σ = 104524992. Its totient is φ = 10656000.

The previous prime is 40080863. The next prime is 40080877. The reversal of 40080870 is 7808004.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40080863) and next prime (40080877).

It is a super-2 number, since 2×400808702 = 3212952279913800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40080877) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52995 + ... + 53745.

It is an arithmetic number, because the mean of its divisors is an integer number (2177604).

Almost surely, 240080870 is an apocalyptic number.

40080870 is an abundant number, since it is smaller than the sum of its proper divisors (64444122).

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

40080870 is a wasteful number, since it uses less digits than its factorization.

40080870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357 (or 1354 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 40080870 is about 6330.9454270275. The cubic root of 40080870 is about 342.2255104458.

Adding to 40080870 its reverse (7808004), we get a palindrome (47888874).

The spelling of 40080870 in words is "forty million, eighty thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 593 751 1186 1502 1779 2253 2965 3558 3755 4506 5337 5930 6759 7510 8895 10674 11265 13518 17790 22530 26685 33795 53370 67590 445343 890686 1336029 2226715 2672058 4008087 4453430 6680145 8016174 13360290 20040435 40080870