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30480070 = 2528110847
BaseRepresentation
bin111010001000…
…1011011000110
32010100112210111
41310101123012
530300330240
63005143234
7520035115
oct164213306
963315714
1030480070
1116229145
12a25ab1a
13641265a
144095c7c
152a211ea
hex1d116c6

30480070 has 16 divisors (see below), whose sum is σ = 55064448. Its totient is φ = 12147520.

The previous prime is 30480061. The next prime is 30480071. The reversal of 30480070 is 7008403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30480071) 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, 2614 + ... + 8233.

It is an arithmetic number, because the mean of its divisors is an integer number (3441528).

Almost surely, 230480070 is an apocalyptic number.

30480070 is a deficient number, since it is larger than the sum of its proper divisors (24584378).

30480070 is a wasteful number, since it uses less digits than its factorization.

30480070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11135.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 30480070 is about 5520.8758363144. The cubic root of 30480070 is about 312.3719197793.

Adding to 30480070 its reverse (7008403), we get a palindrome (37488473).

The spelling of 30480070 in words is "thirty million, four hundred eighty thousand, seventy".

Divisors: 1 2 5 10 281 562 1405 2810 10847 21694 54235 108470 3048007 6096014 15240035 30480070