Search a number
-
+
2052121032 = 233213312973
BaseRepresentation
bin111101001010000…
…1110000111001000
312022000102112211200
41322110032013020
513200320333112
6535344024200
7101565512103
oct17224160710
95260375750
102052121032
119634069a5
12493302060
132691c6000
1415678573a
15c025acdc
hex7a50e1c8

2052121032 has 96 divisors (see below), whose sum is σ = 6021233400. Its totient is φ = 631373184.

The previous prime is 2052121009. The next prime is 2052121037. The reversal of 2052121032 is 2301212502.

It can be written as a sum of positive squares in 4 ways, for example, as 53494596 + 1998626436 = 7314^2 + 44706^2 .

It is a super-2 number, since 2×20521210322 = 8422401459953490048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2052120996 and 2052121014.

It is not an unprimeable number, because it can be changed into a prime (2052121037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151698 + ... + 164670.

Almost surely, 22052121032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2052121032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3010616700).

2052121032 is an abundant number, since it is smaller than the sum of its proper divisors (3969112368).

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

2052121032 is a wasteful number, since it uses less digits than its factorization.

2052121032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13024 (or 12991 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2052121032 is about 45300.3425152614. The cubic root of 2052121032 is about 1270.7720587132.

Adding to 2052121032 its reverse (2301212502), we get a palindrome (4353333534).

The spelling of 2052121032 in words is "two billion, fifty-two million, one hundred twenty-one thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 12 13 18 24 26 36 39 52 72 78 104 117 156 169 234 312 338 468 507 676 936 1014 1352 1521 2028 2197 3042 4056 4394 6084 6591 8788 12168 12973 13182 17576 19773 25946 26364 38919 39546 51892 52728 77838 79092 103784 116757 155676 158184 168649 233514 311352 337298 467028 505947 674596 934056 1011894 1349192 1517841 2023788 2192437 3035682 4047576 4384874 6071364 6577311 8769748 12142728 13154622 17539496 19731933 26309244 28501681 39463866 52618488 57003362 78927732 85505043 114006724 157855464 171010086 228013448 256515129 342020172 513030258 684040344 1026060516 2052121032