Search a number
-
+
1142471700 = 2232521269413
BaseRepresentation
bin100010000011000…
…1011110000010100
32221121202120112200
41010012023300110
54314433043300
6305211044500
740211564166
oct10406136024
92847676480
101142471700
11536993997
1227a740730
13152901576
14aba36936
156a475200
hex4418bc14

1142471700 has 54 divisors (see below), whose sum is σ = 3581016894. Its totient is φ = 304658880.

The previous prime is 1142471699. The next prime is 1142471711. The reversal of 1142471700 is 71742411.

It can be written as a sum of positive squares in 3 ways, for example, as 9072144 + 1133399556 = 3012^2 + 33666^2 .

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 633807 + ... + 635606.

Almost surely, 21142471700 is an apocalyptic number.

1142471700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142471700 is an abundant number, since it is smaller than the sum of its proper divisors (2438545194).

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

1142471700 is a wasteful number, since it uses less digits than its factorization.

1142471700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269433 (or 1269423 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 1142471700 is about 33800.4689316583. The cubic root of 1142471700 is about 1045.3983661626.

The spelling of 1142471700 in words is "one billion, one hundred forty-two million, four hundred seventy-one thousand, seven hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 150 180 225 300 450 900 1269413 2538826 3808239 5077652 6347065 7616478 11424717 12694130 15232956 19041195 22849434 25388260 31735325 38082390 45698868 57123585 63470650 76164780 95205975 114247170 126941300 190411950 228494340 285617925 380823900 571235850 1142471700