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1142240360 = 23542167829
BaseRepresentation
bin100010000010101…
…0011010001101000
32221121022211012112
41010011103101220
54314403142420
6305202101452
740206611552
oct10405232150
92847284175
101142240360
115368460a8
1227a64a888
13152850191
14ab9b64d2
156a42b8c5
hex44153468

1142240360 has 32 divisors (see below), whose sum is σ = 2576183400. Its totient is φ = 455804160.

The previous prime is 1142240317. The next prime is 1142240369. The reversal of 1142240360 is 630422411.

It can be written as a sum of positive squares in 4 ways, for example, as 653211364 + 489028996 = 25558^2 + 22114^2 .

It is not an unprimeable number, because it can be changed into a prime (1142240369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17075 + ... + 50754.

Almost surely, 21142240360 is an apocalyptic number.

1142240360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142240360 is an abundant number, since it is smaller than the sum of its proper divisors (1433943040).

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

1142240360 is a wasteful number, since it uses less digits than its factorization.

1142240360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68261 (or 68257 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1142240360 is about 33797.0466165315. The cubic root of 1142240360 is about 1045.3278002181.

Adding to 1142240360 its reverse (630422411), we get a palindrome (1772662771).

The spelling of 1142240360 in words is "one billion, one hundred forty-two million, two hundred forty thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 421 842 1684 2105 3368 4210 8420 16840 67829 135658 271316 339145 542632 678290 1356580 2713160 28556009 57112018 114224036 142780045 228448072 285560090 571120180 1142240360