Search a number
-
+
1206205252 = 227891573083
BaseRepresentation
bin100011111100101…
…0011101101000100
310010001200120112121
41013321103231010
54432242032002
6315405055324
741614401250
oct10771235504
93101616477
101206205252
1156996494a
12297b57544
13162b87a25
14b62a7260
1570d64237
hex47e53b44

1206205252 has 48 divisors (see below), whose sum is σ = 2455850880. Its totient is φ = 507716352.

The previous prime is 1206205243. The next prime is 1206205271. The reversal of 1206205252 is 2525026021.

It is a happy number.

It is a super-2 number, since 2×12062052522 = 2909862219904767008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389703 + ... + 392785.

It is an arithmetic number, because the mean of its divisors is an integer number (51163560).

Almost surely, 21206205252 is an apocalyptic number.

It is an amenable number.

1206205252 is an abundant number, since it is smaller than the sum of its proper divisors (1249645628).

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

1206205252 is a wasteful number, since it uses less digits than its factorization.

1206205252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3340 (or 3338 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1206205252 is about 34730.4657613456. The cubic root of 1206205252 is about 1064.4871054849.

The spelling of 1206205252 in words is "one billion, two hundred six million, two hundred five thousand, two hundred fifty-two".

Divisors: 1 2 4 7 14 28 89 157 178 314 356 623 628 1099 1246 2198 2492 3083 4396 6166 12332 13973 21581 27946 43162 55892 86324 97811 195622 274387 391244 484031 548774 968062 1097548 1920709 1936124 3388217 3841418 6776434 7682836 13552868 43078759 86157518 172315036 301551313 603102626 1206205252