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30100390 = 253010039
BaseRepresentation
bin111001011010…
…0101110100110
32002122020222021
41302310232212
530201203030
62553053354
7513564145
oct162645646
962566867
1030100390
1115a99961
12a0b725a
13630b8a8
143dd775c
15299897a
hex1cb4ba6

30100390 has 8 divisors (see below), whose sum is σ = 54180720. Its totient is φ = 12040152.

The previous prime is 30100363. The next prime is 30100403. The reversal of 30100390 is 9300103.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1505010 + ... + 1505029.

It is an arithmetic number, because the mean of its divisors is an integer number (6772590).

Almost surely, 230100390 is an apocalyptic number.

30100390 is a deficient number, since it is larger than the sum of its proper divisors (24080330).

30100390 is a wasteful number, since it uses less digits than its factorization.

30100390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3010046.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 30100390 is about 5486.3822324005. The cubic root of 30100390 is about 311.0694592292.

Adding to 30100390 its reverse (9300103), we get a palindrome (39400493).

The spelling of 30100390 in words is "thirty million, one hundred thousand, three hundred ninety".

Divisors: 1 2 5 10 3010039 6020078 15050195 30100390