Search a number
-
+
30406704 = 243633473
BaseRepresentation
bin111001111111…
…1100000110000
32010012211011020
41303333200300
530241003304
63003415440
7516311166
oct163774060
963184136
1030406704
1116189009
12a224580
1363b8143
144077236
152a095d9
hex1cff830

30406704 has 20 divisors (see below), whose sum is σ = 78550776. Its totient is φ = 10135552.

The previous prime is 30406699. The next prime is 30406709. The reversal of 30406704 is 40760403.

It is an interprime number because it is at equal distance from previous prime (30406699) and next prime (30406709).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (30406709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316689 + ... + 316784.

Almost surely, 230406704 is an apocalyptic number.

It is an amenable number.

30406704 is an abundant number, since it is smaller than the sum of its proper divisors (48144072).

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

30406704 is a wasteful number, since it uses less digits than its factorization.

30406704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633484 (or 633478 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 30406704 is about 5514.2274164202. The cubic root of 30406704 is about 312.1210904071.

The spelling of 30406704 in words is "thirty million, four hundred six thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 48 633473 1266946 1900419 2533892 3800838 5067784 7601676 10135568 15203352 30406704