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40794621 = 372777013
BaseRepresentation
bin1001101110011…
…1100111111101
32211202120200220
42123213213331
540420411441
64014211553
71003514520
oct233474775
984676626
1040794621
112103366a
12117b3bb9
1385b443a
1455bcbb7
1538ac466
hex26e79fd

40794621 has 16 divisors (see below), whose sum is σ = 62396544. Its totient is φ = 23223744.

The previous prime is 40794601. The next prime is 40794641. The reversal of 40794621 is 12649704.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40794601) and next prime (40794641).

It is not a de Polignac number, because 40794621 - 26 = 40794557 is a prime.

It is a super-2 number, since 2×407946212 = 3328402205067282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40794601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2311 + ... + 9323.

It is an arithmetic number, because the mean of its divisors is an integer number (3899784).

Almost surely, 240794621 is an apocalyptic number.

It is an amenable number.

40794621 is a deficient number, since it is larger than the sum of its proper divisors (21601923).

40794621 is a wasteful number, since it uses less digits than its factorization.

40794621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7300.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 40794621 is about 6387.0666976320. The cubic root of 40794621 is about 344.2449945979.

The spelling of 40794621 in words is "forty million, seven hundred ninety-four thousand, six hundred twenty-one".

Divisors: 1 3 7 21 277 831 1939 5817 7013 21039 49091 147273 1942601 5827803 13598207 40794621