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40379028 = 22319177101
BaseRepresentation
bin1001101000001…
…0001010010100
32210222110121120
42122002022110
540314112103
64001243540
71000134054
oct232021224
983873546
1040379028
112087a3a8
12116335b0
13849a221
145511564
153829253
hex2682294

40379028 has 24 divisors (see below), whose sum is σ = 99177120. Its totient is φ = 12751200.

The previous prime is 40379023. The next prime is 40379041. The reversal of 40379028 is 82097304.

It is a self number, because there is not a number n which added to its sum of digits gives 40379028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40379023) 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, 88323 + ... + 88778.

It is an arithmetic number, because the mean of its divisors is an integer number (4132380).

Almost surely, 240379028 is an apocalyptic number.

It is an amenable number.

40379028 is an abundant number, since it is smaller than the sum of its proper divisors (58798092).

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

40379028 is a wasteful number, since it uses less digits than its factorization.

40379028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177127 (or 177125 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 40379028 is about 6354.4494647452. The cubic root of 40379028 is about 343.0720098594.

The spelling of 40379028 in words is "forty million, three hundred seventy-nine thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 177101 354202 531303 708404 1062606 2125212 3364919 6729838 10094757 13459676 20189514 40379028