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146057212 = 22725720297
BaseRepresentation
bin10001011010010…
…10011111111100
3101011211110211101
420231022133330
5244342312322
622254302444
73422315530
oct1055123774
9334743741
10146057212
1175499a44
1240ab7a24
132434b3b2
141557dbc0
15cc51327
hex8b4a7fc

146057212 has 24 divisors (see below), whose sum is σ = 293265504. Its totient is φ = 62349312.

The previous prime is 146057209. The next prime is 146057231. The reversal of 146057212 is 212750641.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2953 + ... + 17344.

It is an arithmetic number, because the mean of its divisors is an integer number (12219396).

Almost surely, 2146057212 is an apocalyptic number.

It is an amenable number.

146057212 is an abundant number, since it is smaller than the sum of its proper divisors (147208292).

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

146057212 is a wasteful number, since it uses less digits than its factorization.

146057212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20565 (or 20563 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 146057212 is about 12085.4131911160. The cubic root of 146057212 is about 526.6325141200.

The spelling of 146057212 in words is "one hundred forty-six million, fifty-seven thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 257 514 1028 1799 3598 7196 20297 40594 81188 142079 284158 568316 5216329 10432658 20865316 36514303 73028606 146057212