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930002145 = 3562000143
BaseRepresentation
bin110111011011101…
…011010011100001
32101210222000002220
4313123223103201
53401040032040
6232141101253
732021613342
oct6733532341
92353860086
10930002145
11437a64416
1221b557829
1311a89c637
148b72a0c9
15569a62d0
hex376eb4e1

930002145 has 8 divisors (see below), whose sum is σ = 1488003456. Its totient is φ = 496001136.

The previous prime is 930002137. The next prime is 930002149. The reversal of 930002145 is 541200039.

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

It is not a de Polignac number, because 930002145 - 23 = 930002137 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

930002145 is a modest number, since divided by 2145 gives 930 as remainder.

It is not an unprimeable number, because it can be changed into a prime (930002149) 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, 31000057 + ... + 31000086.

It is an arithmetic number, because the mean of its divisors is an integer number (186000432).

Almost surely, 2930002145 is an apocalyptic number.

It is an amenable number.

930002145 is a deficient number, since it is larger than the sum of its proper divisors (558001311).

930002145 is a wasteful number, since it uses less digits than its factorization.

930002145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62000151.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 930002145 is about 30495.9365325940. The cubic root of 930002145 is about 976.1007581104.

The spelling of 930002145 in words is "nine hundred thirty million, two thousand, one hundred forty-five".

Divisors: 1 3 5 15 62000143 186000429 310000715 930002145