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40613357 = 172389021
BaseRepresentation
bin1001101011101…
…1010111101101
32211102101001102
42122323113231
540344111412
64010252445
71002131201
oct232732755
984371042
1040613357
1120a1a464
1211727125
13854ca95
145572b01
1538738c2
hex26bb5ed

40613357 has 4 divisors (see below), whose sum is σ = 43002396. Its totient is φ = 38224320.

The previous prime is 40613341. The next prime is 40613381. The reversal of 40613357 is 75331604.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30791401 + 9821956 = 5549^2 + 3134^2 .

It is a cyclic number.

It is not a de Polignac number, because 40613357 - 24 = 40613341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40613387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1194494 + ... + 1194527.

It is an arithmetic number, because the mean of its divisors is an integer number (10750599).

Almost surely, 240613357 is an apocalyptic number.

It is an amenable number.

40613357 is a deficient number, since it is larger than the sum of its proper divisors (2389039).

40613357 is a wasteful number, since it uses less digits than its factorization.

40613357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389038.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 40613357 is about 6372.8609744761. The cubic root of 40613357 is about 343.7343727551.

The spelling of 40613357 in words is "forty million, six hundred thirteen thousand, three hundred fifty-seven".

Divisors: 1 17 2389021 40613357