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1442377077 = 31925304861
BaseRepresentation
bin101010111111000…
…1110110101110101
310201112002100101020
41111332032311311
510423222031302
6355043051353
750513000661
oct12576166565
93645070336
101442377077
11680203279
12343070b59
1319ca9827b
14d97c38a1
1586965ebc
hex55f8ed75

1442377077 has 8 divisors (see below), whose sum is σ = 2024388960. Its totient is φ = 910974960.

The previous prime is 1442377063. The next prime is 1442377093. The reversal of 1442377077 is 7707732441.

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

It is not a de Polignac number, because 1442377077 - 214 = 1442360693 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442377037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12652374 + ... + 12652487.

It is an arithmetic number, because the mean of its divisors is an integer number (253048620).

Almost surely, 21442377077 is an apocalyptic number.

It is an amenable number.

1442377077 is a deficient number, since it is larger than the sum of its proper divisors (582011883).

1442377077 is a wasteful number, since it uses less digits than its factorization.

1442377077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25304883.

The product of its (nonzero) digits is 230496, while the sum is 42.

The square root of 1442377077 is about 37978.6397465733. The cubic root of 1442377077 is about 1129.8642583703.

The spelling of 1442377077 in words is "one billion, four hundred forty-two million, three hundred seventy-seven thousand, seventy-seven".

Divisors: 1 3 19 57 25304861 75914583 480792359 1442377077