Search a number
-
+
30765404 = 2229337787
BaseRepresentation
bin111010101011…
…1000101011100
32010220001012102
41311113011130
530333443104
63015224232
7522334025
oct165270534
963801172
1030765404
111640355a
12a378078
1364b24a7
14412bc4c
152a7aa1e
hex1d5715c

30765404 has 24 divisors (see below), whose sum is σ = 55932240. Its totient is φ = 14789376.

The previous prime is 30765377. The next prime is 30765407. The reversal of 30765404 is 40456703.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30765407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38699 + ... + 39485.

It is an arithmetic number, because the mean of its divisors is an integer number (2330510).

Almost surely, 230765404 is an apocalyptic number.

It is an amenable number.

30765404 is a deficient number, since it is larger than the sum of its proper divisors (25166836).

30765404 is a wasteful number, since it uses less digits than its factorization.

30765404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157 (or 1155 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 30765404 is about 5546.6570112095. The cubic root of 30765404 is about 313.3436327785.

The spelling of 30765404 in words is "thirty million, seven hundred sixty-five thousand, four hundred four".

Divisors: 1 2 4 29 58 116 337 674 787 1348 1574 3148 9773 19546 22823 39092 45646 91292 265219 530438 1060876 7691351 15382702 30765404