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40707132 = 2233392261
BaseRepresentation
bin1001101101001…
…0010000111100
32211121010200120
42123102100330
540410112012
64012254540
71003001454
oct233222074
984533616
1040707132
1120a83964
1211771450
13858367b
145598d64
15389158c
hex26d243c

40707132 has 12 divisors (see below), whose sum is σ = 94983336. Its totient is φ = 13569040.

The previous prime is 40707119. The next prime is 40707133. The reversal of 40707132 is 23170704.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40707133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1696119 + ... + 1696142.

It is an arithmetic number, because the mean of its divisors is an integer number (7915278).

Almost surely, 240707132 is an apocalyptic number.

It is an amenable number.

40707132 is an abundant number, since it is smaller than the sum of its proper divisors (54276204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40707132 is a wasteful number, since it uses less digits than its factorization.

40707132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3392268 (or 3392266 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 40707132 is about 6380.2141029906. The cubic root of 40707132 is about 343.9987267845.

Adding to 40707132 its reverse (23170704), we get a palindrome (63877836).

The spelling of 40707132 in words is "forty million, seven hundred seven thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 3392261 6784522 10176783 13569044 20353566 40707132