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40772361 = 372277363
BaseRepresentation
bin1001101110001…
…0001100001001
32211201110011110
42123202030021
540414203421
64013520533
71003362600
oct233421411
984643143
1040772361
1121018973
12117a3149
1385a7276
1455b4a37
1538a5a76
hex26e2309

40772361 has 12 divisors (see below), whose sum is σ = 63238992. Its totient is φ = 23298408.

The previous prime is 40772357. The next prime is 40772377. The reversal of 40772361 is 16327704.

It is not a de Polignac number, because 40772361 - 22 = 40772357 is a prime.

It is a super-3 number, since 3×407723613 (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (40772311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138535 + ... + 138828.

It is an arithmetic number, because the mean of its divisors is an integer number (5269916).

Almost surely, 240772361 is an apocalyptic number.

It is an amenable number.

40772361 is a deficient number, since it is larger than the sum of its proper divisors (22466631).

40772361 is a wasteful number, since it uses less digits than its factorization.

40772361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277380 (or 277373 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 40772361 is about 6385.3238758891. The cubic root of 40772361 is about 344.1823696113.

The spelling of 40772361 in words is "forty million, seven hundred seventy-two thousand, three hundred sixty-one".

Divisors: 1 3 7 21 49 147 277363 832089 1941541 5824623 13590787 40772361