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190683900 = 22325211217103
BaseRepresentation
bin10110101110110…
…01101011111100
3111021210202010200
423113121223330
5342303341100
630531003500
74503533511
oct1327315374
9437722120
10190683900
11986aa700
1253a39590
1330674b14
141b479308
1511b18e00
hexb5d9afc

190683900 has 324 divisors, whose sum is σ = 702361296. Its totient is φ = 43084800.

The previous prime is 190683881. The next prime is 190683901. The reversal of 190683900 is 9386091.

It is a Smith number, since the sum of its digits (36) 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 (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190683901) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1851249 + ... + 1851351.

Almost surely, 2190683900 is an apocalyptic number.

190683900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190683900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351180648).

190683900 is an abundant number, since it is smaller than the sum of its proper divisors (511677396).

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

190683900 is a wasteful number, since it uses less digits than its factorization.

190683900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 190683900 is about 13808.8341289191. The cubic root of 190683900 is about 575.5786487380.

The spelling of 190683900 in words is "one hundred ninety million, six hundred eighty-three thousand, nine hundred".