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190050840 = 233357231093
BaseRepresentation
bin10110101001111…
…11001000011000
3111020121120202000
423110333020120
5342123111330
630505241000
74465256040
oct1324771030
9436546660
10190050840
1198308011
1253793160
13304b2925
141b352720
1511a41560
hexb53f218

190050840 has 256 divisors, whose sum is σ = 756172800. Its totient is φ = 41513472.

The previous prime is 190050829. The next prime is 190050869. The reversal of 190050840 is 48050091.

190050840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1900508402 = 72238643569411200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 173334 + ... + 174426.

It is an arithmetic number, because the mean of its divisors is an integer number (2953800).

Almost surely, 2190050840 is an apocalyptic number.

190050840 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 190050840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378086400).

190050840 is an abundant number, since it is smaller than the sum of its proper divisors (566121960).

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

190050840 is a wasteful number, since it uses less digits than its factorization.

190050840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143 (or 1133 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 190050840 is about 13785.8927893699. The cubic root of 190050840 is about 574.9409794493.

The spelling of 190050840 in words is "one hundred ninety million, fifty thousand, eight hundred forty".