Search a number
-
+
601769961 = 32132172372
BaseRepresentation
bin100011110111100…
…100011111101001
31112221100002012100
4203313210133221
52213023114321
6135414004013
720624650242
oct4367443751
91487302170
10601769961
11289757751
12149646609
1397898400
1459cc7cc9
1537c6c326
hex23de47e9

601769961 has 81 divisors (see below), whose sum is σ = 1027606671. Its totient is φ = 339116544.

The previous prime is 601769929. The next prime is 601770049. The reversal of 601769961 is 169967106.

601769961 = 13 + 23 + ... + 2213.

The square root of 601769961 is 24531.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 102515625 + 499254336 = 10125^2 + 22344^2 .

It is not a de Polignac number, because 601769961 - 25 = 601769929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (601769911) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 16264035 + ... + 16264071.

Almost surely, 2601769961 is an apocalyptic number.

601769961 is the 24531-st square number.

601769961 is the 12266-th centered octagonal number.

It is an amenable number.

601769961 is a deficient number, since it is larger than the sum of its proper divisors (425836710).

601769961 is a wasteful number, since it uses less digits than its factorization.

601769961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The cubic root of 601769961 is about 844.2612082989.

It can be divided in two parts, 60 and 1769961, that added together give a triangular number (1770021 = T1881).

The spelling of 601769961 in words is "six hundred one million, seven hundred sixty-nine thousand, nine hundred sixty-one".

Divisors: 1 3 9 13 17 37 39 51 111 117 153 169 221 289 333 481 507 629 663 867 1369 1443 1521 1887 1989 2601 2873 3757 4107 4329 5661 6253 8177 8619 10693 11271 12321 17797 18759 23273 24531 25857 32079 33813 48841 53391 56277 69819 73593 96237 106301 139009 146523 160173 209457 231361 302549 318903 395641 417027 439569 694083 907647 956709 1186923 1251081 1807117 2082249 2722941 3560769 3933137 5143333 5421351 11799411 15429999 16264053 35398233 46289997 66863329 200589987 601769961