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160404420 = 223511475171
BaseRepresentation
bin10011000111110…
…01001111000100
3102011211101111110
421203321033010
5312030420140
623530005020
73655262241
oct1143711704
9364741443
10160404420
11825a9240
1245876770
1327302877
14174365c8
15e137380
hex98f93c4

160404420 has 96 divisors (see below), whose sum is σ = 500484096. Its totient is φ = 38051200.

The previous prime is 160404397. The next prime is 160404443. The reversal of 160404420 is 24404061.

160404420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (160404397) and next prime (160404443).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28435 + ... + 33605.

It is an arithmetic number, because the mean of its divisors is an integer number (5213376).

Almost surely, 2160404420 is an apocalyptic number.

160404420 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 160404420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250242048).

160404420 is an abundant number, since it is smaller than the sum of its proper divisors (340079676).

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

160404420 is a wasteful number, since it uses less digits than its factorization.

160404420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5241 (or 5239 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 160404420 is about 12665.0866558425. The cubic root of 160404420 is about 543.3405404675.

Adding to 160404420 its reverse (24404061), we get a palindrome (184808481).

The spelling of 160404420 in words is "one hundred sixty million, four hundred four thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 47 55 60 66 94 110 132 141 165 188 220 235 282 330 470 517 564 660 705 940 1034 1410 1551 2068 2585 2820 3102 5170 5171 6204 7755 10340 10342 15510 15513 20684 25855 31020 31026 51710 56881 62052 77565 103420 113762 155130 170643 227524 243037 284405 310260 341286 486074 568810 682572 729111 853215 972148 1137620 1215185 1458222 1706430 2430370 2673407 2916444 3412860 3645555 4860740 5346814 7291110 8020221 10693628 13367035 14582220 16040442 26734070 32080884 40101105 53468140 80202210 160404420