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146103881 = 7115335801
BaseRepresentation
bin10001011010101…
…01111001001001
3101011220211211212
420231111321021
5244400311011
622255302505
73422601560
oct1055257111
9334824755
10146103881
1175521010
1240b1aa35
1324366701
1415592bd7
15cc6008b
hex8b55e49

146103881 has 16 divisors (see below), whose sum is σ = 185597568. Its totient is φ = 111696000.

The previous prime is 146103877. The next prime is 146103911. The reversal of 146103881 is 188301641.

It is a happy number.

146103881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 146103881 - 22 = 146103877 is a prime.

It is a super-2 number, since 2×1461038812 = 42692688086524322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146103851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13820 + ... + 21981.

It is an arithmetic number, because the mean of its divisors is an integer number (11599848).

Almost surely, 2146103881 is an apocalyptic number.

146103881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

146103881 is a deficient number, since it is larger than the sum of its proper divisors (39493687).

146103881 is a wasteful number, since it uses less digits than its factorization.

146103881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35872.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 146103881 is about 12087.3438355993. The cubic root of 146103881 is about 526.6885989816.

The spelling of 146103881 in words is "one hundred forty-six million, one hundred three thousand, eight hundred eighty-one".

Divisors: 1 7 11 53 77 371 583 4081 35801 250607 393811 1897453 2756677 13282171 20871983 146103881