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40712442 = 2313151797
BaseRepresentation
bin1001101101001…
…1100011111010
32211121101222020
42123103203322
540410244232
64012335310
71003023111
oct233234372
984541866
1040712442
1120a87951
1211774536
138585c04
14559ac78
153892e2c
hex26d38fa

40712442 has 16 divisors (see below), whose sum is σ = 82048032. Its totient is φ = 13466960.

The previous prime is 40712423. The next prime is 40712449. The reversal of 40712442 is 24421704.

It is not an unprimeable number, because it can be changed into a prime (40712449) 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, 25113 + ... + 26684.

It is an arithmetic number, because the mean of its divisors is an integer number (5128002).

Almost surely, 240712442 is an apocalyptic number.

40712442 is an abundant number, since it is smaller than the sum of its proper divisors (41335590).

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

40712442 is a wasteful number, since it uses less digits than its factorization.

40712442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51933.

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 40712442 is about 6380.6302196570. The cubic root of 40712442 is about 344.0136836543.

The spelling of 40712442 in words is "forty million, seven hundred twelve thousand, four hundred forty-two".

Divisors: 1 2 3 6 131 262 393 786 51797 103594 155391 310782 6785407 13570814 20356221 40712442