Search a number
-
+
2669942442 = 232347735639
BaseRepresentation
bin1001111100100100…
…0001011010101010
320220001222010111010
42133021001122222
520432001124232
61120534044350
7123110064516
oct23711013252
96801863433
102669942442
111150127302
126261a96b6
133371c14cb
141b484b146
151095e90cc
hex9f2416aa

2669942442 has 64 divisors (see below), whose sum is σ = 5769584640. Its totient is φ = 821614464.

The previous prime is 2669942411. The next prime is 2669942461. The reversal of 2669942442 is 2442499662.

It is a junction number, because it is equal to n+sod(n) for n = 2669942391 and 2669942400.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 470659 + ... + 476297.

It is an arithmetic number, because the mean of its divisors is an integer number (90149760).

Almost surely, 22669942442 is an apocalyptic number.

2669942442 is an abundant number, since it is smaller than the sum of its proper divisors (3099642198).

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

2669942442 is a wasteful number, since it uses less digits than its factorization.

2669942442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5787.

The product of its digits is 1492992, while the sum is 48.

The square root of 2669942442 is about 51671.4857731031. The cubic root of 2669942442 is about 1387.2901402918.

The spelling of 2669942442 in words is "two billion, six hundred sixty-nine million, nine hundred forty-two thousand, four hundred forty-two".

Divisors: 1 2 3 6 23 46 47 69 73 94 138 141 146 219 282 438 1081 1679 2162 3243 3358 3431 5037 5639 6486 6862 10074 10293 11278 16917 20586 33834 78913 129697 157826 236739 259394 265033 389091 411647 473478 530066 778182 795099 823294 1234941 1590198 2469882 6095759 9467881 12191518 18287277 18935762 19347409 28403643 36574554 38694818 56807286 58042227 116084454 444990407 889980814 1334971221 2669942442