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161424060 = 22357384343
BaseRepresentation
bin10011001111100…
…10001010111100
3102020202012011220
421213302022330
5312311032220
624003513340
74000040040
oct1147621274
9366665156
10161424060
1183135316
1246088850
132759b9c5
1417620020
15e289540
hex99f22bc

161424060 has 48 divisors (see below), whose sum is σ = 516558336. Its totient is φ = 36896832.

The previous prime is 161424041. The next prime is 161424079. The reversal of 161424060 is 60424161.

It is an interprime number because it is at equal distance from previous prime (161424041) and next prime (161424079).

It is a self number, because there is not a number n which added to its sum of digits gives 161424060.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191752 + ... + 192591.

It is an arithmetic number, because the mean of its divisors is an integer number (10761632).

Almost surely, 2161424060 is an apocalyptic number.

161424060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161424060 is an abundant number, since it is smaller than the sum of its proper divisors (355134276).

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

161424060 is a wasteful number, since it uses less digits than its factorization.

161424060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384362 (or 384360 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 161424060 is about 12705.2768564876. The cubic root of 161424060 is about 544.4893907392.

It can be divided in two parts, 16142 and 4060, that added together give a palindrome (20202).

The spelling of 161424060 in words is "one hundred sixty-one million, four hundred twenty-four thousand, sixty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 384343 768686 1153029 1537372 1921715 2306058 2690401 3843430 4612116 5380802 5765145 7686860 8071203 10761604 11530290 13452005 16142406 23060580 26904010 32284812 40356015 53808020 80712030 161424060