Search a number
-
+
83135228 = 22112295923
BaseRepresentation
bin1001111010010…
…00101011111100
312210102201002112
410331020223330
5132240311403
612125513152
72026431521
oct475105374
9183381075
1083135228
1142a22800
1223a127b8
13142ba457
14b081148
1574729d8
hex4f48afc

83135228 has 36 divisors (see below), whose sum is σ = 165457320. Its totient is φ = 36479520.

The previous prime is 83135191. The next prime is 83135243. The reversal of 83135228 is 82253138.

It is a super-2 number, since 2×831352282 = 13822932269223968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83135194 and 83135203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11075 + ... + 16997.

Almost surely, 283135228 is an apocalyptic number.

It is an amenable number.

83135228 is a deficient number, since it is larger than the sum of its proper divisors (82322092).

83135228 is a wasteful number, since it uses less digits than its factorization.

83135228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5978 (or 5965 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 83135228 is about 9117.8521593630. The cubic root of 83135228 is about 436.4438358326.

The spelling of 83135228 in words is "eighty-three million, one hundred thirty-five thousand, two hundred twenty-eight".

Divisors: 1 2 4 11 22 29 44 58 116 121 242 319 484 638 1276 3509 5923 7018 11846 14036 23692 65153 130306 171767 260612 343534 687068 716683 1433366 1889437 2866732 3778874 7557748 20783807 41567614 83135228