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161427300 = 223523714543
BaseRepresentation
bin10011001111100…
…10111101100100
3102020202100121220
421213302331210
5312311133200
624003540340
74000052346
oct1147627544
9366670556
10161427300
11831377a1
124608a6b0
13275a0318
1417621296
15e28a4a0
hex99f2f64

161427300 has 72 divisors (see below), whose sum is σ = 479719296. Its totient is φ = 41880960.

The previous prime is 161427283. The next prime is 161427319. The reversal of 161427300 is 3724161.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3829 + ... + 18371.

It is an arithmetic number, because the mean of its divisors is an integer number (6662768).

Almost surely, 2161427300 is an apocalyptic number.

161427300 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 161427300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239859648).

161427300 is an abundant number, since it is smaller than the sum of its proper divisors (318291996).

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

161427300 is a wasteful number, since it uses less digits than its factorization.

161427300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14597 (or 14590 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 161427300 is about 12705.4043619241. The cubic root of 161427300 is about 544.4930335952.

The spelling of 161427300 in words is "one hundred sixty-one million, four hundred twenty-seven thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 37 50 60 74 75 100 111 148 150 185 222 300 370 444 555 740 925 1110 1850 2220 2775 3700 5550 11100 14543 29086 43629 58172 72715 87258 145430 174516 218145 290860 363575 436290 538091 727150 872580 1076182 1090725 1454300 1614273 2152364 2181450 2690455 3228546 4362900 5380910 6457092 8071365 10761820 13452275 16142730 26904550 32285460 40356825 53809100 80713650 161427300