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40711072 = 251966959
BaseRepresentation
bin1001101101001…
…1001110100000
32211121100002111
42123103032200
540410223242
64012325104
71003016113
oct233231640
984540074
1040711072
1120a86916
1211773794
1385853bc
14559a57a
153892817
hex26d33a0

40711072 has 24 divisors (see below), whose sum is σ = 84369600. Its totient is φ = 19283904.

The previous prime is 40711061. The next prime is 40711123. The reversal of 40711072 is 27011704.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32872 + ... + 34087.

It is an arithmetic number, because the mean of its divisors is an integer number (3515400).

Almost surely, 240711072 is an apocalyptic number.

It is an amenable number.

40711072 is an abundant number, since it is smaller than the sum of its proper divisors (43658528).

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

40711072 is a wasteful number, since it uses less digits than its factorization.

40711072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66988 (or 66980 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 40711072 is about 6380.5228625874. The cubic root of 40711072 is about 344.0098248501.

Adding to 40711072 its reverse (27011704), we get a palindrome (67722776).

The spelling of 40711072 in words is "forty million, seven hundred eleven thousand, seventy-two".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 608 66959 133918 267836 535672 1071344 1272221 2142688 2544442 5088884 10177768 20355536 40711072