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254421044 = 2263605261
BaseRepresentation
bin11110010101000…
…10100000110100
3122201201221001122
433022202200310
51010112433134
641125043112
76206354213
oct1712424064
9581657048
10254421044
11120683329
1271256498
134092cac7
1425b0b07a
151750902e
hexf2a2834

254421044 has 6 divisors (see below), whose sum is σ = 445236834. Its totient is φ = 127210520.

The previous prime is 254421029. The next prime is 254421059. The reversal of 254421044 is 440124452.

It is an interprime number because it is at equal distance from previous prime (254421029) and next prime (254421059).

It can be written as a sum of positive squares in only one way, i.e., 157201444 + 97219600 = 12538^2 + 9860^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31802627 + ... + 31802634.

It is an arithmetic number, because the mean of its divisors is an integer number (74206139).

Almost surely, 2254421044 is an apocalyptic number.

It is an amenable number.

254421044 is a deficient number, since it is larger than the sum of its proper divisors (190815790).

254421044 is a wasteful number, since it uses less digits than its factorization.

254421044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63605265 (or 63605263 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 254421044 is about 15950.5813060214. The cubic root of 254421044 is about 633.6522920325.

Adding to 254421044 its reverse (440124452), we get a palindrome (694545496).

The spelling of 254421044 in words is "two hundred fifty-four million, four hundred twenty-one thousand, forty-four".

Divisors: 1 2 4 63605261 127210522 254421044