Search a number
-
+
30733434 = 2321707413
BaseRepresentation
bin111010100111…
…1010001111010
32010211102100100
41311033101322
530331432214
63014420230
7522141564
oct165172172
963742310
1030733434
1116391536
12a361676
1364a0a84
144120334
152a71309
hex1d4f47a

30733434 has 12 divisors (see below), whose sum is σ = 66589146. Its totient is φ = 10244472.

The previous prime is 30733363. The next prime is 30733453. The reversal of 30733434 is 43433703.

It can be written as a sum of positive squares in only one way, i.e., 17665209 + 13068225 = 4203^2 + 3615^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30733398 and 30733407.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 853689 + ... + 853724.

Almost surely, 230733434 is an apocalyptic number.

30733434 is an abundant number, since it is smaller than the sum of its proper divisors (35855712).

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

30733434 is a wasteful number, since it uses less digits than its factorization.

30733434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707421 (or 1707418 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 27.

The square root of 30733434 is about 5543.7743460570. The cubic root of 30733434 is about 313.2350577062.

The spelling of 30733434 in words is "thirty million, seven hundred thirty-three thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9 18 1707413 3414826 5122239 10244478 15366717 30733434