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190740700 = 22529412027
BaseRepresentation
bin10110101111001…
…11100011011100
3111021220122001101
423113213203130
5342312200300
630532122444
74504161223
oct1327474334
9437818041
10190740700
1198739347
1253a66424
1330694927
141b491cba
1511b2ab6a
hexb5e78dc

190740700 has 36 divisors (see below), whose sum is σ = 414551592. Its totient is φ = 76177600.

The previous prime is 190740691. The next prime is 190740707. The reversal of 190740700 is 7047091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190740707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93087 + ... + 95113.

It is an arithmetic number, because the mean of its divisors is an integer number (11515322).

Almost surely, 2190740700 is an apocalyptic number.

190740700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190740700 is an abundant number, since it is smaller than the sum of its proper divisors (223810892).

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

190740700 is a wasteful number, since it uses less digits than its factorization.

190740700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982 (or 2975 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 190740700 is about 13810.8906302237. The cubic root of 190740700 is about 575.6357932612.

Adding to 190740700 its reverse (7047091), we get a palindrome (197787791).

The spelling of 190740700 in words is "one hundred ninety million, seven hundred forty thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 941 1882 2027 3764 4054 4705 8108 9410 10135 18820 20270 23525 40540 47050 50675 94100 101350 202700 1907407 3814814 7629628 9537035 19074070 38148140 47685175 95370350 190740700