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198855480 = 23351657129
BaseRepresentation
bin10111101101001…
…00101100111000
3111212011220102210
423312210230320
5401401333410
631422055120
74633146405
oct1366445470
9455156383
10198855480
11a228107a
125671a4a0
1332276385
141c5a52ac
15126d0220
hexbda4b38

198855480 has 32 divisors (see below), whose sum is σ = 596566800. Its totient is φ = 53028096.

The previous prime is 198855439. The next prime is 198855487. The reversal of 198855480 is 84558891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198855487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 828445 + ... + 828684.

Almost surely, 2198855480 is an apocalyptic number.

198855480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198855480 is an abundant number, since it is smaller than the sum of its proper divisors (397711320).

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

198855480 is a wasteful number, since it uses less digits than its factorization.

198855480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657143 (or 1657139 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 48.

The square root of 198855480 is about 14101.6126737335. The cubic root of 198855480 is about 583.6858806760.

The spelling of 198855480 in words is "one hundred ninety-eight million, eight hundred fifty-five thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 1657129 3314258 4971387 6628516 8285645 9942774 13257032 16571290 19885548 24856935 33142580 39771096 49713870 66285160 99427740 198855480