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40488955 = 5134091523
BaseRepresentation
bin1001101001110…
…0111111111011
32211012001101221
42122130333323
540331121310
64003452511
71001102413
oct232347773
984161357
1040488955
1120944a51
1211687137
138508280
14553d643
15384bada
hex269cffb

40488955 has 16 divisors (see below), whose sum is σ = 52486560. Its totient is φ = 29806848.

The previous prime is 40488953. The next prime is 40488961. The reversal of 40488955 is 55988404.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40488955 - 21 = 40488953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40488953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25824 + ... + 27346.

It is an arithmetic number, because the mean of its divisors is an integer number (3280410).

Almost surely, 240488955 is an apocalyptic number.

40488955 is a deficient number, since it is larger than the sum of its proper divisors (11997605).

40488955 is a wasteful number, since it uses less digits than its factorization.

40488955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950.

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 40488955 is about 6363.0931943513. The cubic root of 40488955 is about 343.3830517331.

The spelling of 40488955 in words is "forty million, four hundred eighty-eight thousand, nine hundred fifty-five".

Divisors: 1 5 13 65 409 1523 2045 5317 7615 19799 26585 98995 622907 3114535 8097791 40488955