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1442007525 = 35272392383
BaseRepresentation
bin101010111110011…
…0100100111100101
310201111101120110010
41111330310213211
510423123220100
6355031120433
750506601400
oct12574644745
93644346403
101442007525
1167aa80662
12342b13119
1319c998cba
14d9728d37
15868e1750
hex55f349e5

1442007525 has 36 divisors (see below), whose sum is σ = 2773370112. Its totient is φ = 659201760.

The previous prime is 1442007499. The next prime is 1442007557. The reversal of 1442007525 is 5257002441.

It is not a de Polignac number, because 1442007525 - 213 = 1441999333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1442007492 and 1442007501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 192517 + ... + 199866.

Almost surely, 21442007525 is an apocalyptic number.

1442007525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1442007525 is a deficient number, since it is larger than the sum of its proper divisors (1331362587).

1442007525 is a wasteful number, since it uses less digits than its factorization.

1442007525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392410 (or 392398 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 1442007525 is about 37973.7741737637. The cubic root of 1442007525 is about 1129.7677558057.

Adding to 1442007525 its reverse (5257002441), we get a palindrome (6699009966).

The spelling of 1442007525 in words is "one billion, four hundred forty-two million, seven thousand, five hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 49 75 105 147 175 245 525 735 1225 3675 392383 1177149 1961915 2746681 5885745 8240043 9809575 13733405 19226767 29428725 41200215 57680301 68667025 96133835 206001075 288401505 480669175 1442007525