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48440642 = 282129501
BaseRepresentation
bin1011100011001…
…0010101000010
310101011001001212
42320302111002
544400100032
64450130122
71125511235
oct270622502
9111131055
1048440642
1125386198
1214280942
13a060703
14660d41c
1543bcbb2
hex2e32542

48440642 has 8 divisors (see below), whose sum is σ = 72751932. Its totient is φ = 24190000.

The previous prime is 48440627. The next prime is 48440657. The reversal of 48440642 is 24604484.

It is an interprime number because it is at equal distance from previous prime (48440627) and next prime (48440657).

It can be written as a sum of positive squares in 2 ways, for example, as 47045881 + 1394761 = 6859^2 + 1181^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 48440599 and 48440608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13109 + ... + 16392.

Almost surely, 248440642 is an apocalyptic number.

48440642 is a deficient number, since it is larger than the sum of its proper divisors (24311290).

48440642 is a wasteful number, since it uses less digits than its factorization.

48440642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30324.

The product of its (nonzero) digits is 24576, while the sum is 32.

The square root of 48440642 is about 6959.9311778207. The cubic root of 48440642 is about 364.5328156776.

The spelling of 48440642 in words is "forty-eight million, four hundred forty thousand, six hundred forty-two".

Divisors: 1 2 821 1642 29501 59002 24220321 48440642