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30102002 = 2717791601
BaseRepresentation
bin111001011010…
…1000111110010
32002122100011222
41302311013302
530201231002
62553105042
7513601640
oct162650762
962570158
1030102002
1115aa0097
12a0b8182
13630c548
143dd8190
1529991a2
hex1cb51f2

30102002 has 32 divisors (see below), whose sum is σ = 55365120. Its totient is φ = 11980800.

The previous prime is 30101999. The next prime is 30102031. The reversal of 30102002 is 20020103.

It is a super-2 number, since 2×301020022 = 1812261048816008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18002 + ... + 19602.

It is an arithmetic number, because the mean of its divisors is an integer number (1730160).

Almost surely, 230102002 is an apocalyptic number.

30102002 is a deficient number, since it is larger than the sum of its proper divisors (25263118).

30102002 is a wasteful number, since it uses less digits than its factorization.

30102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 30102002 is about 5486.5291396292. The cubic root of 30102002 is about 311.0750121475.

Adding to 30102002 its reverse (20020103), we get a palindrome (50122105).

The spelling of 30102002 in words is "thirty million, one hundred two thousand, two".

Divisors: 1 2 7 14 17 34 79 119 158 238 553 1106 1343 1601 2686 3202 9401 11207 18802 22414 27217 54434 126479 190519 252958 381038 885353 1770706 2150143 4300286 15051001 30102002