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30030102 = 234185371
BaseRepresentation
bin111001010001…
…1100100010110
32002111200120000
41302203210112
530141430402
62551352130
7513152214
oct162434426
962450500
1030030102
1115a51073
12a082646
1362b58bb
143db9cb4
152982c1c
hex1ca3916

30030102 has 20 divisors (see below), whose sum is σ = 67290036. Its totient is φ = 10009980.

The previous prime is 30030101. The next prime is 30030131. The reversal of 30030102 is 20103003.

It is a happy number.

It is a super-2 number, since 2×300301022 = 1803614052260808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30030101) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 92524 + ... + 92847.

Almost surely, 230030102 is an apocalyptic number.

30030102 is an abundant number, since it is smaller than the sum of its proper divisors (37259934).

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

30030102 is a wasteful number, since it uses less digits than its factorization.

30030102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185385 (or 185376 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 30030102 is about 5479.9728101515. The cubic root of 30030102 is about 310.8271424247.

Adding to 30030102 its reverse (20103003), we get a palindrome (50133105).

The spelling of 30030102 in words is "thirty million, thirty thousand, one hundred two".

Divisors: 1 2 3 6 9 18 27 54 81 162 185371 370742 556113 1112226 1668339 3336678 5005017 10010034 15015051 30030102