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1230022230 = 23541000741
BaseRepresentation
bin100100101010000…
…1010011001010110
310011201111121021220
41021110022121112
510004341202410
6322015351210
742324005433
oct11124123126
93151447256
101230022230
115813519a8
122a3b22506
13167aa6608
14b9506b8a
1572ebb070
hex4950a656

1230022230 has 16 divisors (see below), whose sum is σ = 2952053424. Its totient is φ = 328005920.

The previous prime is 1230022229. The next prime is 1230022249. The reversal of 1230022230 is 322200321.

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

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, 20500341 + ... + 20500400.

It is an arithmetic number, because the mean of its divisors is an integer number (184503339).

Almost surely, 21230022230 is an apocalyptic number.

1230022230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230022230 is an abundant number, since it is smaller than the sum of its proper divisors (1722031194).

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

1230022230 is a wasteful number, since it uses less digits than its factorization.

1230022230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41000751.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1230022230 is about 35071.6727573693. The cubic root of 1230022230 is about 1071.4477244322.

Adding to 1230022230 its reverse (322200321), we get a palindrome (1552222551).

The spelling of 1230022230 in words is "one billion, two hundred thirty million, twenty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 41000741 82001482 123002223 205003705 246004446 410007410 615011115 1230022230