Search a number
-
+
1228262308 = 2271317198491
BaseRepresentation
bin100100100110101…
…1100101110100100
310011121012012010121
41021031130232210
510003413343213
6321513531324
742303025450
oct11115345644
93147165117
101228262308
1158035a719
122a3413b44
1316760b540
14b91a9660
1572c6e88d
hex4935cba4

1228262308 has 48 divisors (see below), whose sum is σ = 2801119104. Its totient is φ = 457320960.

The previous prime is 1228262293. The next prime is 1228262341. The reversal of 1228262308 is 8032628221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 93058 + ... + 105433.

It is an arithmetic number, because the mean of its divisors is an integer number (58356648).

Almost surely, 21228262308 is an apocalyptic number.

It is an amenable number.

1228262308 is an abundant number, since it is smaller than the sum of its proper divisors (1572856796).

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

1228262308 is a wasteful number, since it uses less digits than its factorization.

1228262308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198532 (or 198530 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 1228262308 is about 35046.5734131027. The cubic root of 1228262308 is about 1070.9364695863.

The spelling of 1228262308 in words is "one billion, two hundred twenty-eight million, two hundred sixty-two thousand, three hundred eight".

Divisors: 1 2 4 7 13 14 17 26 28 34 52 68 91 119 182 221 238 364 442 476 884 1547 3094 6188 198491 396982 793964 1389437 2580383 2778874 3374347 5160766 5557748 6748694 10321532 13497388 18062681 23620429 36125362 43866511 47240858 72250724 87733022 94481716 175466044 307065577 614131154 1228262308