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190877148 = 223472111093
BaseRepresentation
bin10110110000010…
…00110111011100
3111022011120020000
423120020313130
5342331032043
630535054300
74505300100
oct1330106734
9438146200
10190877148
1198821910
1253b11390
1330711a77
141b4c9900
1511b562d3
hexb608ddc

190877148 has 180 divisors, whose sum is σ = 633806712. Its totient is φ = 49533120.

The previous prime is 190877131. The next prime is 190877149. The reversal of 190877148 is 841778091.

190877148 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 2×1908771482 = 72868171257227808, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190877149) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 174090 + ... + 175182.

Almost surely, 2190877148 is an apocalyptic number.

190877148 is a gapful number since it is divisible by the number (18) 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 190877148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316903356).

190877148 is an abundant number, since it is smaller than the sum of its proper divisors (442929564).

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

190877148 is a wasteful number, since it uses less digits than its factorization.

190877148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134 (or 1116 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 45.

The square root of 190877148 is about 13815.8296167838. The cubic root of 190877148 is about 575.7730225486.

The spelling of 190877148 in words is "one hundred ninety million, eight hundred seventy-seven thousand, one hundred forty-eight".