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40820274 = 2341122907
BaseRepresentation
bin1001101110110…
…1111000110010
32211210212220000
42123231320302
540422222044
64014530430
71003652355
oct233557062
984725800
1040820274
1121050970
1211806a16
1385c3011
1455c829c
1538b4d69
hex26ede32

40820274 has 40 divisors (see below), whose sum is σ = 99787248. Its totient is φ = 12369240.

The previous prime is 40820249. The next prime is 40820279. The reversal of 40820274 is 47202804.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (40820279) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9672 + ... + 13235.

Almost surely, 240820274 is an apocalyptic number.

40820274 is an abundant number, since it is smaller than the sum of its proper divisors (58966974).

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

40820274 is a wasteful number, since it uses less digits than its factorization.

40820274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22932 (or 22923 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 40820274 is about 6389.0745808763. The cubic root of 40820274 is about 344.3171370048.

The spelling of 40820274 in words is "forty million, eight hundred twenty thousand, two hundred seventy-four".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 81 99 162 198 297 594 891 1782 22907 45814 68721 137442 206163 251977 412326 503954 618489 755931 1236978 1511862 1855467 2267793 3710934 4535586 6803379 13606758 20410137 40820274