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196325280 = 25325136337
BaseRepresentation
bin10111011001110…
…10111110100000
3111200102100122200
423230322332200
5400224402110
631251533200
74602510624
oct1354727640
9450370580
10196325280
11a09030a8
12558ba200
133189b808
141c107184
15123806c0
hexbb3afa0

196325280 has 72 divisors (see below), whose sum is σ = 669964932. Its totient is φ = 52353024.

The previous prime is 196325279. The next prime is 196325291. The reversal of 196325280 is 82523691.

196325280 is a `hidden beast` number, since 19 + 632 + 5 + 2 + 8 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 186814224 + 9511056 = 13668^2 + 3084^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66729 + ... + 69608.

Almost surely, 2196325280 is an apocalyptic number.

196325280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196325280 is an abundant number, since it is smaller than the sum of its proper divisors (473639652).

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

196325280 is a wasteful number, since it uses less digits than its factorization.

196325280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136358 (or 136347 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 196325280 is about 14011.6123269237. The cubic root of 196325280 is about 581.1997362016.

The spelling of 196325280 in words is "one hundred ninety-six million, three hundred twenty-five thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1440 136337 272674 409011 545348 681685 818022 1090696 1227033 1363370 1636044 2045055 2181392 2454066 2726740 3272088 4090110 4362784 4908132 5453480 6135165 6544176 8180220 9816264 10906960 12270330 13088352 16360440 19632528 21813920 24540660 32720880 39265056 49081320 65441760 98162640 196325280