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40775007 = 37213191123
BaseRepresentation
bin1001101110001…
…0110101011111
32211201120210110
42123202311133
540414300012
64013541103
71003403400
oct233426537
984646713
1040775007
112101a959
12117a4793
1385a8530
1455b59a7
1538a673c
hex26e2d5f

40775007 has 48 divisors (see below), whose sum is σ = 71756160. Its totient is φ = 20357568.

The previous prime is 40775003. The next prime is 40775011. The reversal of 40775007 is 70057704.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40775003) and next prime (40775011).

It is not a de Polignac number, because 40775007 - 22 = 40775003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40775003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35748 + ... + 36870.

It is an arithmetic number, because the mean of its divisors is an integer number (1494920).

Almost surely, 240775007 is an apocalyptic number.

40775007 is a deficient number, since it is larger than the sum of its proper divisors (30981153).

40775007 is a wasteful number, since it uses less digits than its factorization.

40775007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172 (or 1165 counting only the distinct ones).

The product of its (nonzero) digits is 6860, while the sum is 30.

The square root of 40775007 is about 6385.5310664032. The cubic root of 40775007 is about 344.1898149070.

The spelling of 40775007 in words is "forty million, seven hundred seventy-five thousand, seven".

Divisors: 1 3 7 13 19 21 39 49 57 91 133 147 247 273 399 637 741 931 1123 1729 1911 2793 3369 5187 7861 12103 14599 21337 23583 36309 43797 55027 64011 102193 149359 165081 277381 306579 448077 715351 832143 1045513 1941667 2146053 3136539 5825001 13591669 40775007