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40972443 = 367203843
BaseRepresentation
bin1001110001001…
…1000010011011
32212002121121220
42130103002123
540442104233
64022103123
71005155121
oct234230233
985077556
1040972443
1121145226
121187aaa3
138647365
145627911
1538e4eb3
hex271309b

40972443 has 8 divisors (see below), whose sum is σ = 55445568. Its totient is φ = 26907144.

The previous prime is 40972441. The next prime is 40972469. The reversal of 40972443 is 34427904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40972443 - 21 = 40972441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40972441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101721 + ... + 102122.

It is an arithmetic number, because the mean of its divisors is an integer number (6930696).

Almost surely, 240972443 is an apocalyptic number.

40972443 is a deficient number, since it is larger than the sum of its proper divisors (14473125).

40972443 is a wasteful number, since it uses less digits than its factorization.

40972443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203913.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 40972443 is about 6400.9720355583. The cubic root of 40972443 is about 344.7444526404.

The spelling of 40972443 in words is "forty million, nine hundred seventy-two thousand, four hundred forty-three".

Divisors: 1 3 67 201 203843 611529 13657481 40972443