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440610149 = 7234166749
BaseRepresentation
bin11010010000110…
…010110101100101
31010201002022111102
4122100302311211
51400244011044
6111415445445
713630060460
oct3220626545
91121068442
10440610149
11206792a21
12103686885
137038ca85
14427362d7
1528a3624e
hex1a432d65

440610149 has 16 divisors (see below), whose sum is σ = 538272000. Its totient is φ = 352429440.

The previous prime is 440610119. The next prime is 440610193. The reversal of 440610149 is 941016044.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-440610149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440610109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26774 + ... + 39975.

It is an arithmetic number, because the mean of its divisors is an integer number (33642000).

Almost surely, 2440610149 is an apocalyptic number.

It is an amenable number.

440610149 is a deficient number, since it is larger than the sum of its proper divisors (97661851).

440610149 is a wasteful number, since it uses less digits than its factorization.

440610149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66820.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 440610149 is about 20990.7157810304. The cubic root of 440610149 is about 760.9419006240.

The spelling of 440610149 in words is "four hundred forty million, six hundred ten thousand, one hundred forty-nine".

Divisors: 1 7 23 41 161 287 943 6601 66749 467243 1535227 2736709 10746589 19156963 62944307 440610149