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40680884 = 2210170221
BaseRepresentation
bin1001101100101…
…1110110110100
32211112210200102
42123023312310
540403242014
64011533232
71002532106
oct233136664
984483612
1040680884
1120a66172
121175a218
13857473a
14558d576
1538888de
hex26cbdb4

40680884 has 6 divisors (see below), whose sum is σ = 71191554. Its totient is φ = 20340440.

The previous prime is 40680863. The next prime is 40680889. The reversal of 40680884 is 48808604.

It can be written as a sum of positive squares in only one way, i.e., 39187600 + 1493284 = 6260^2 + 1222^2 .

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40680889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5085107 + ... + 5085114.

It is an arithmetic number, because the mean of its divisors is an integer number (11865259).

Almost surely, 240680884 is an apocalyptic number.

It is an amenable number.

40680884 is a deficient number, since it is larger than the sum of its proper divisors (30510670).

40680884 is a wasteful number, since it uses less digits than its factorization.

40680884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10170225 (or 10170223 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 40680884 is about 6378.1567870350. The cubic root of 40680884 is about 343.9247739780.

The spelling of 40680884 in words is "forty million, six hundred eighty thousand, eight hundred eighty-four".

Divisors: 1 2 4 10170221 20340442 40680884