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1442154536 = 23180269317
BaseRepresentation
bin101010111110101…
…1000100000101000
310201111200001002222
41111331120200220
510423142421121
6355034213212
750511053114
oct12575304050
93644601088
101442154536
11680071059
12342b84208
1319ca1aba4
14d9766744
15869200ab
hex55f58828

1442154536 has 8 divisors (see below), whose sum is σ = 2704039770. Its totient is φ = 721077264.

The previous prime is 1442154529. The next prime is 1442154577. The reversal of 1442154536 is 6354512441.

It can be written as a sum of positive squares in only one way, i.e., 1054300900 + 387853636 = 32470^2 + 19694^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1442154496 and 1442154505.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90134651 + ... + 90134666.

Almost surely, 21442154536 is an apocalyptic number.

It is an amenable number.

1442154536 is a deficient number, since it is larger than the sum of its proper divisors (1261885234).

1442154536 is a wasteful number, since it uses less digits than its factorization.

1442154536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180269323 (or 180269319 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 1442154536 is about 37975.7098156177. The cubic root of 1442154536 is about 1129.8061473399.

Adding to 1442154536 its reverse (6354512441), we get a palindrome (7796666977).

The spelling of 1442154536 in words is "one billion, four hundred forty-two million, one hundred fifty-four thousand, five hundred thirty-six".

Divisors: 1 2 4 8 180269317 360538634 721077268 1442154536