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160920 = 23335149
BaseRepresentation
bin100111010010011000
322011202000
4213102120
520122140
63241000
71240104
oct472230
9264660
10160920
11aa9a1
1279160
1358326
1442904
1532a30
hex27498

160920 has 64 divisors (see below), whose sum is σ = 540000. Its totient is φ = 42624.

The previous prime is 160907. The next prime is 160933. The reversal of 160920 is 29061.

It is an interprime number because it is at equal distance from previous prime (160907) and next prime (160933).

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

It is a junction number, because it is equal to n+sod(n) for n = 160893 and 160902.

It is a congruent number.

It is an unprimeable number.

160920 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1006 + ... + 1154.

2160920 is an apocalyptic number.

160920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 160920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270000).

160920 is an abundant number, since it is smaller than the sum of its proper divisors (379080).

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

160920 is a wasteful number, since it uses less digits than its factorization.

160920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 160920 is about 401.1483516107. The cubic root of 160920 is about 54.3922062076.

Adding to 160920 its product of nonzero digits (108), we get a triangular number (161028 = T567).

Adding to 160920 its reverse (29061), we get a palindrome (189981).

The spelling of 160920 in words is "one hundred sixty thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 90 108 120 135 149 180 216 270 298 360 447 540 596 745 894 1080 1192 1341 1490 1788 2235 2682 2980 3576 4023 4470 5364 5960 6705 8046 8940 10728 13410 16092 17880 20115 26820 32184 40230 53640 80460 160920