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162400230 = 23251804447
BaseRepresentation
bin10011010111000…
…00011111100110
3102022120210020100
421223200133212
5313033301410
624040444530
74011244026
oct1153403746
9368523210
10162400230
1183741773
1246479746
1327851115
14177d5a86
15e3cd8c0
hex9ae07e6

162400230 has 24 divisors (see below), whose sum is σ = 422240832. Its totient is φ = 43306704.

The previous prime is 162400219. The next prime is 162400241. The reversal of 162400230 is 32004261.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (162400219) and next prime (162400241).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 902134 + ... + 902313.

It is an arithmetic number, because the mean of its divisors is an integer number (17593368).

Almost surely, 2162400230 is an apocalyptic number.

162400230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

162400230 is an abundant number, since it is smaller than the sum of its proper divisors (259840602).

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

162400230 is a wasteful number, since it uses less digits than its factorization.

162400230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804460 (or 1804457 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 162400230 is about 12743.6348817753. The cubic root of 162400230 is about 545.5847383919.

Adding to 162400230 its reverse (32004261), we get a palindrome (194404491).

The spelling of 162400230 in words is "one hundred sixty-two million, four hundred thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1804447 3608894 5413341 9022235 10826682 16240023 18044470 27066705 32480046 54133410 81200115 162400230