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40772357 is a prime number
BaseRepresentation
bin1001101110001…
…0001100000101
32211201110011022
42123202030011
540414203412
64013520525
71003362563
oct233421405
984643138
1040772357
112101896a
12117a3145
1385a7272
1455b4a33
1538a5a72
hex26e2305

40772357 has 2 divisors, whose sum is σ = 40772358. Its totient is φ = 40772356.

The previous prime is 40772323. The next prime is 40772377. The reversal of 40772357 is 75327704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36954241 + 3818116 = 6079^2 + 1954^2 .

It is a cyclic number.

It is not a de Polignac number, because 40772357 - 210 = 40771333 is a prime.

It is a super-3 number, since 3×407723573 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40772377) 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 as a sum of consecutive naturals, namely, 20386178 + 20386179.

It is an arithmetic number, because the mean of its divisors is an integer number (20386179).

Almost surely, 240772357 is an apocalyptic number.

It is an amenable number.

40772357 is a deficient number, since it is larger than the sum of its proper divisors (1).

40772357 is an equidigital number, since it uses as much as digits as its factorization.

40772357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41160, while the sum is 35.

The square root of 40772357 is about 6385.3235626709. The cubic root of 40772357 is about 344.1823583559.

The spelling of 40772357 in words is "forty million, seven hundred seventy-two thousand, three hundred fifty-seven".