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30701310 = 2355319309
BaseRepresentation
bin111010100011…
…1011011111110
32010202210021120
41311013123332
530324420220
63014011410
7521646123
oct165073376
963683246
1030701310
111636a392
12a346b66
13648c273
14411274a
152a66a40
hex1d476fe

30701310 has 32 divisors (see below), whose sum is σ = 75077280. Its totient is φ = 8032128.

The previous prime is 30701263. The next prime is 30701311. The reversal of 30701310 is 1310703.

It is a super-2 number, since 2×307013102 = 1885140871432200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30701310.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30701311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8065 + ... + 11244.

It is an arithmetic number, because the mean of its divisors is an integer number (2346165).

Almost surely, 230701310 is an apocalyptic number.

30701310 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30701310 is an abundant number, since it is smaller than the sum of its proper divisors (44375970).

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

30701310 is a wasteful number, since it uses less digits than its factorization.

30701310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19372.

The product of its (nonzero) digits is 63, while the sum is 15.

The square root of 30701310 is about 5540.8762844879. The cubic root of 30701310 is about 313.1258837589.

The spelling of 30701310 in words is "thirty million, seven hundred one thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 53 106 159 265 318 530 795 1590 19309 38618 57927 96545 115854 193090 289635 579270 1023377 2046754 3070131 5116885 6140262 10233770 15350655 30701310