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1002001230 = 232511133347
BaseRepresentation
bin111011101110010…
…101001101001110
32120211102221021200
4323232111031032
54023003014410
6243232210330
733554604246
oct7356251516
92524387250
101002001230
1147467039a
1223b6999a6
1312c78b049
149710cb26
155ce793c0
hex3bb9534e

1002001230 has 24 divisors (see below), whose sum is σ = 2605203432. Its totient is φ = 267200304.

The previous prime is 1002001219. The next prime is 1002001237. The reversal of 1002001230 is 321002001.

It is a happy number.

It is a super-3 number, since 3×10020012303 (a number of 28 digits) contains 333 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 (1002001237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5566584 + ... + 5566763.

It is an arithmetic number, because the mean of its divisors is an integer number (108550143).

Almost surely, 21002001230 is an apocalyptic number.

1002001230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002001230 is an abundant number, since it is smaller than the sum of its proper divisors (1603202202).

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

1002001230 is a wasteful number, since it uses less digits than its factorization.

1002001230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11133360 (or 11133357 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1002001230 is about 31654.4030112716. The cubic root of 1002001230 is about 1000.6666321695. Note that the first 4 decimals are identical.

Adding to 1002001230 its reverse (321002001), we get a palindrome (1323003231).

The spelling of 1002001230 in words is "one billion, two million, one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 11133347 22266694 33400041 55666735 66800082 100200123 111333470 167000205 200400246 334000410 501000615 1002001230