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147851900 = 22527211217
BaseRepresentation
bin10001101000000…
…00101001111100
3101022012122200022
420310000221330
5300322230100
622400551312
73443502050
oct1064005174
9338178608
10147851900
1176505359
1241622538
1324829241
14158c9c60
15cea7e85
hex8d00a7c

147851900 has 36 divisors (see below), whose sum is σ = 366674448. Its totient is φ = 50691840.

The previous prime is 147851881. The next prime is 147851917. The reversal of 147851900 is 9158741.

It is a super-2 number, since 2×1478519002 = 43720368667220000, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104909 + ... + 106308.

Almost surely, 2147851900 is an apocalyptic number.

147851900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147851900 is an abundant number, since it is smaller than the sum of its proper divisors (218822548).

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

147851900 is a wasteful number, since it uses less digits than its factorization.

147851900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211238 (or 211231 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 147851900 is about 12159.4366645828. The cubic root of 147851900 is about 528.7807501673.

The spelling of 147851900 in words is "one hundred forty-seven million, eight hundred fifty-one thousand, nine hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 211217 422434 844868 1056085 1478519 2112170 2957038 4224340 5280425 5914076 7392595 10560850 14785190 21121700 29570380 36962975 73925950 147851900