Search a number
-
+
30074101 = 55753993
BaseRepresentation
bin111001010111…
…0010011110101
32002120220220121
41302232103311
530144332401
62552331541
7513424411
oct162562365
962526817
1030074101
1115a81132
12a0a3bb1
1362cc935
143dcbd41
152990ca1
hex1cae4f5

30074101 has 4 divisors (see below), whose sum is σ = 30128652. Its totient is φ = 30019552.

The previous prime is 30074059. The next prime is 30074111. The reversal of 30074101 is 10147003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17859076 + 12215025 = 4226^2 + 3495^2 .

It is a cyclic number.

It is not a de Polignac number, because 30074101 - 27 = 30073973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30074111) 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, 26440 + ... + 27553.

It is an arithmetic number, because the mean of its divisors is an integer number (7532163).

Almost surely, 230074101 is an apocalyptic number.

It is an amenable number.

30074101 is a deficient number, since it is larger than the sum of its proper divisors (54551).

30074101 is an equidigital number, since it uses as much as digits as its factorization.

30074101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54550.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 30074101 is about 5483.9858679614. The cubic root of 30074101 is about 310.9788725080.

The spelling of 30074101 in words is "thirty million, seventy-four thousand, one hundred one".

Divisors: 1 557 53993 30074101