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1442434672 = 24712878881
BaseRepresentation
bin101010111111001…
…1100111001110000
310201112012021101101
41111332130321300
510423230402142
6355044214144
750513330620
oct12576347160
93645167341
101442434672
11680242578
1234309a354
1319cab8553
14d97da880
15869780b7
hex55f9ce70

1442434672 has 20 divisors (see below), whose sum is σ = 3193962736. Its totient is φ = 618186240.

The previous prime is 1442434657. The next prime is 1442434687. The reversal of 1442434672 is 2764342441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1442434657) and next prime (1442434687).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6439329 + ... + 6439552.

Almost surely, 21442434672 is an apocalyptic number.

It is an amenable number.

1442434672 is an abundant number, since it is smaller than the sum of its proper divisors (1751528064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1442434672 is a wasteful number, since it uses less digits than its factorization.

1442434672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12878896 (or 12878890 counting only the distinct ones).

The product of its digits is 129024, while the sum is 37.

The square root of 1442434672 is about 37979.3979941757. The cubic root of 1442434672 is about 1129.8792968940.

The spelling of 1442434672 in words is "one billion, four hundred forty-two million, four hundred thirty-four thousand, six hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 12878881 25757762 51515524 90152167 103031048 180304334 206062096 360608668 721217336 1442434672