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30102232 = 2319296829
BaseRepresentation
bin111001011010…
…1001011011000
32002122100111111
41302311023120
530201232412
62553110104
7513602416
oct162651330
962570444
1030102232
1115aa0286
12a0b8334
13630c694
143dd82b6
1529992a7
hex1cb52d8

30102232 has 32 divisors (see below), whose sum is σ = 61470000. Its totient is φ = 13765248.

The previous prime is 30102227. The next prime is 30102263. The reversal of 30102232 is 23220103.

It is a happy number.

It is a super-2 number, since 2×301022322 = 1812288742763648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 994 + ... + 7822.

Almost surely, 230102232 is an apocalyptic number.

It is an amenable number.

30102232 is an abundant number, since it is smaller than the sum of its proper divisors (31367768).

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

30102232 is a wasteful number, since it uses less digits than its factorization.

30102232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6883 (or 6879 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 30102232 is about 5486.5501000173. The cubic root of 30102232 is about 311.0758044212.

Adding to 30102232 its reverse (23220103), we get a palindrome (53322335).

It can be divided in two parts, 3010223 and 2, that added together give a square (3010225 = 17352).

The spelling of 30102232 in words is "thirty million, one hundred two thousand, two hundred thirty-two".

Divisors: 1 2 4 8 19 29 38 58 76 116 152 232 551 1102 2204 4408 6829 13658 27316 54632 129751 198041 259502 396082 519004 792164 1038008 1584328 3762779 7525558 15051116 30102232