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40551130 = 2519247239
BaseRepresentation
bin1001101010110…
…0001011011010
32211022012200201
42122230023122
540340114010
64005052414
71001451604
oct232541332
984265621
1040551130
1120987734
12116b710a
13852a669
145558174
15386023a
hex26ac2da

40551130 has 48 divisors (see below), whose sum is σ = 79004160. Its totient is φ = 14976864.

The previous prime is 40551127. The next prime is 40551143. The reversal of 40551130 is 3115504.

40551130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 40551098 and 40551107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169551 + ... + 169789.

It is an arithmetic number, because the mean of its divisors is an integer number (1645920).

Almost surely, 240551130 is an apocalyptic number.

40551130 is a deficient number, since it is larger than the sum of its proper divisors (38453030).

40551130 is a wasteful number, since it uses less digits than its factorization.

40551130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 40551130 is about 6367.9769157873. The cubic root of 40551130 is about 343.5587286327.

Adding to 40551130 its reverse (3115504), we get a palindrome (43666634).

The spelling of 40551130 in words is "forty million, five hundred fifty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 19 38 47 94 95 190 235 239 361 470 478 722 893 1195 1786 1805 2390 3610 4465 4541 8930 9082 11233 16967 22466 22705 33934 45410 56165 84835 86279 112330 169670 172558 213427 426854 431395 862790 1067135 2134270 4055113 8110226 20275565 40551130