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146280933 = 3216253437
BaseRepresentation
bin10001011100000…
…01000111100101
3101012020211201100
420232001013211
5244421442213
622303150313
73424240011
oct1056010745
9335224640
10146280933
1175632037
1240ba5399
13243c9186
14155db541
15cc97773
hex8b811e5

146280933 has 6 divisors (see below), whose sum is σ = 211294694. Its totient is φ = 97520616.

The previous prime is 146280931. The next prime is 146280949. The reversal of 146280933 is 339082641.

It can be written as a sum of positive squares in only one way, i.e., 143568324 + 2712609 = 11982^2 + 1647^2 .

It is not a de Polignac number, because 146280933 - 21 = 146280931 is a prime.

It is a super-2 number, since 2×1462809332 = 42796222718700978, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146280931) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8126710 + ... + 8126727.

Almost surely, 2146280933 is an apocalyptic number.

It is an amenable number.

146280933 is a deficient number, since it is larger than the sum of its proper divisors (65013761).

146280933 is a wasteful number, since it uses less digits than its factorization.

146280933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16253443 (or 16253440 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 146280933 is about 12094.6654769779. The cubic root of 146280933 is about 526.9012641678.

The spelling of 146280933 in words is "one hundred forty-six million, two hundred eighty thousand, nine hundred thirty-three".

Divisors: 1 3 9 16253437 48760311 146280933