Search a number
-
+
45155404 = 2271612693
BaseRepresentation
bin1010110001000…
…0010001001100
310010222010120101
42230100101030
543024433104
64251500444
71055546260
oct254202114
9103863511
1045155404
1123541a18
1213157724
139480298
145dd60a0
153e6e5a4
hex2b1044c

45155404 has 12 divisors (see below), whose sum is σ = 90310864. Its totient is φ = 19352304.

The previous prime is 45155393. The next prime is 45155413. The reversal of 45155404 is 40455154.

45155404 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 1612693 = 45155404 / (4 + 5 + 1 + 5 + 5 + 4 + 0 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 806319 + ... + 806374.

Almost surely, 245155404 is an apocalyptic number.

It is an amenable number.

45155404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

45155404 is a wasteful number, since it uses less digits than its factorization.

45155404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612704 (or 1612702 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 45155404 is about 6719.7770796359. Note that the first 3 decimals coincide. The cubic root of 45155404 is about 356.0983084977.

It can be divided in two parts, 451 and 55404, that added together give a palindrome (55855).

The spelling of 45155404 in words is "forty-five million, one hundred fifty-five thousand, four hundred four".

Divisors: 1 2 4 7 14 28 1612693 3225386 6450772 11288851 22577702 45155404