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197296490 = 2519729649
BaseRepresentation
bin10111100001010…
…00000101101010
3111202020200220102
423300220011222
5401001441430
631324425402
74613664266
oct1360500552
9452220812
10197296490
11a1406856
12560a8262
1331b4b8b1
141c2bb0a6
15124c3345
hexbc2816a

197296490 has 8 divisors (see below), whose sum is σ = 355133700. Its totient is φ = 78918592.

The previous prime is 197296487. The next prime is 197296511. The reversal of 197296490 is 94692791.

It can be written as a sum of positive squares in 2 ways, for example, as 184715281 + 12581209 = 13591^2 + 3547^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9864815 + ... + 9864834.

Almost surely, 2197296490 is an apocalyptic number.

197296490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197296490 is a deficient number, since it is larger than the sum of its proper divisors (157837210).

197296490 is a wasteful number, since it uses less digits than its factorization.

197296490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19729656.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 197296490 is about 14046.2268955047. The cubic root of 197296490 is about 582.1565475202.

The spelling of 197296490 in words is "one hundred ninety-seven million, two hundred ninety-six thousand, four hundred ninety".

Divisors: 1 2 5 10 19729649 39459298 98648245 197296490