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40748269 = 178328879
BaseRepresentation
bin1001101101110…
…0010011101101
32211200020010011
42123130103231
540412421034
64013213221
71003232422
oct233342355
984606104
1040748269
1121001861
1211791211
138599303
1455a9d49
15389d864
hex26dc4ed

40748269 has 8 divisors (see below), whose sum is σ = 43666560. Its totient is φ = 37887936.

The previous prime is 40748263. The next prime is 40748287. The reversal of 40748269 is 96284704.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40748269 - 25 = 40748237 is a prime.

It is a super-2 number, since 2×407482692 = 3320842852992722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40748263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13029 + ... + 15850.

It is an arithmetic number, because the mean of its divisors is an integer number (5458320).

Almost surely, 240748269 is an apocalyptic number.

It is an amenable number.

40748269 is a deficient number, since it is larger than the sum of its proper divisors (2918291).

40748269 is a wasteful number, since it uses less digits than its factorization.

40748269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28979.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 40748269 is about 6383.4370835781. The cubic root of 40748269 is about 344.1145648926.

The spelling of 40748269 in words is "forty million, seven hundred forty-eight thousand, two hundred sixty-nine".

Divisors: 1 17 83 1411 28879 490943 2396957 40748269