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160380828 = 22324455023
BaseRepresentation
bin10011000111100…
…11011110011100
3102011210012010200
421203303132130
5312024141303
623525303500
73655133406
oct1143633634
9364705120
10160380828
1182592543
1245864b90
13272c4bca
141742bb76
15e1303a3
hex98f379c

160380828 has 18 divisors (see below), whose sum is σ = 405407184. Its totient is φ = 53460264.

The previous prime is 160380797. The next prime is 160380833. The reversal of 160380828 is 828083061.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 4455023 = 160380828 / (1 + 6 + 0 + 3 + 8 + 0 + 8 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 160380792 and 160380801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2227476 + ... + 2227547.

Almost surely, 2160380828 is an apocalyptic number.

160380828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

160380828 is an abundant number, since it is smaller than the sum of its proper divisors (245026356).

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

160380828 is a wasteful number, since it uses less digits than its factorization.

160380828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4455033 (or 4455028 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 160380828 is about 12664.1552422576. The cubic root of 160380828 is about 543.3139013044.

The spelling of 160380828 in words is "one hundred sixty million, three hundred eighty thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 4455023 8910046 13365069 17820092 26730138 40095207 53460276 80190414 160380828