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190271828 = 2247567957
BaseRepresentation
bin10110101011101…
…01000101010100
3111021000210212202
423111311011110
5342202144303
630514104032
74500166235
oct1325650524
9437023782
10190271828
119844904a
125387b018
133055c3a6
141b3ad08c
1511a86c88
hexb575154

190271828 has 6 divisors (see below), whose sum is σ = 332975706. Its totient is φ = 95135912.

The previous prime is 190271827. The next prime is 190271849. The reversal of 190271828 is 828172091.

190271828 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 170093764 + 20178064 = 13042^2 + 4492^2 .

It is a super-3 number, since 3×1902718283 (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 190271791 and 190271800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190271827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23783975 + ... + 23783982.

It is an arithmetic number, because the mean of its divisors is an integer number (55495951).

Almost surely, 2190271828 is an apocalyptic number.

It is an amenable number.

190271828 is a deficient number, since it is larger than the sum of its proper divisors (142703878).

190271828 is a wasteful number, since it uses less digits than its factorization.

190271828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47567961 (or 47567959 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 190271828 is about 13793.9054658208. The cubic root of 190271828 is about 575.1637371127.

The spelling of 190271828 in words is "one hundred ninety million, two hundred seventy-one thousand, eight hundred twenty-eight".

Divisors: 1 2 4 47567957 95135914 190271828