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244705945 = 5118949991
BaseRepresentation
bin11101001010111…
…10101010011001
3122001110100110011
432211132222121
51000121042240
640140521521
76030652261
oct1645365231
9561410404
10244705945
11116148220
1269b502a1
133b90ab23
14246dc7a1
151673a6ea
hexe95ea99

244705945 has 16 divisors (see below), whose sum is σ = 323948160. Its totient is φ = 175964800.

The previous prime is 244705943. The next prime is 244705949. The reversal of 244705945 is 549507442.

It is not a de Polignac number, because 244705945 - 21 = 244705943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 244705898 and 244705907.

It is not an unprimeable number, because it can be changed into a prime (244705943) 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, 20101 + ... + 29890.

It is an arithmetic number, because the mean of its divisors is an integer number (20246760).

Almost surely, 2244705945 is an apocalyptic number.

It is an amenable number.

244705945 is a deficient number, since it is larger than the sum of its proper divisors (79242215).

244705945 is a wasteful number, since it uses less digits than its factorization.

244705945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50096.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 244705945 is about 15643.0797798899. The cubic root of 244705945 is about 625.4820345328.

The spelling of 244705945 in words is "two hundred forty-four million, seven hundred five thousand, nine hundred forty-five".

Divisors: 1 5 11 55 89 445 979 4895 49991 249955 549901 2749505 4449199 22245995 48941189 244705945