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253673042 = 2797186799
BaseRepresentation
bin11110001111010…
…11111001010010
3122200022220222212
433013223321102
51004420014132
641101032122
76200120360
oct1707537122
9580286885
10253673042
11120212347
1270b55642
134072a4bc
1425994630
151740c5b2
hexf1ebe52

253673042 has 16 divisors (see below), whose sum is σ = 439353600. Its totient is φ = 107595648.

The previous prime is 253673033. The next prime is 253673071. The reversal of 253673042 is 240376352.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92042 + ... + 94757.

It is an arithmetic number, because the mean of its divisors is an integer number (27459600).

Almost surely, 2253673042 is an apocalyptic number.

253673042 is a deficient number, since it is larger than the sum of its proper divisors (185680558).

253673042 is a wasteful number, since it uses less digits than its factorization.

253673042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186905.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 253673042 is about 15927.1165626425. The cubic root of 253673042 is about 633.0306997948.

The spelling of 253673042 in words is "two hundred fifty-three million, six hundred seventy-three thousand, forty-two".

Divisors: 1 2 7 14 97 194 679 1358 186799 373598 1307593 2615186 18119503 36239006 126836521 253673042