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1448121742 = 23891861339
BaseRepresentation
bin101011001010000…
…1001010110001110
310201220220012120121
41112110021112032
510431204343432
6355410135154
750612555164
oct12624112616
93656805517
101448121742
11683477331
12344b814ba
131a1029c92
14da47b234
15871ed197
hex5650958e

1448121742 has 8 divisors (see below), whose sum is σ = 2177767800. Its totient is φ = 722199144.

The previous prime is 1448121733. The next prime is 1448121743. The reversal of 1448121742 is 2471218441.

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

It is a super-2 number, since 2×14481217422 = 4194113159306229128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1448121698 and 1448121707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1448121743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 929892 + ... + 931447.

It is an arithmetic number, because the mean of its divisors is an integer number (272220975).

Almost surely, 21448121742 is an apocalyptic number.

1448121742 is a deficient number, since it is larger than the sum of its proper divisors (729646058).

1448121742 is a wasteful number, since it uses less digits than its factorization.

1448121742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861730.

The product of its digits is 14336, while the sum is 34.

The square root of 1448121742 is about 38054.1948016247. The cubic root of 1448121742 is about 1131.3622701798.

The spelling of 1448121742 in words is "one billion, four hundred forty-eight million, one hundred twenty-one thousand, seven hundred forty-two".

Divisors: 1 2 389 778 1861339 3722678 724060871 1448121742