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145308050 = 2522906161
BaseRepresentation
bin10001010100100…
…11100110010010
3101010102102011122
420222103212102
5244144324200
622230242242
73413045426
oct1052234622
9333372148
10145308050
11750280a8
12407b6382
13241483c4
1415426b86
15cb54385
hex8a93992

145308050 has 12 divisors (see below), whose sum is σ = 270273066. Its totient is φ = 58123200.

The previous prime is 145308049. The next prime is 145308071. The reversal of 145308050 is 50803541.

It can be written as a sum of positive squares in 3 ways, for example, as 66471409 + 78836641 = 8153^2 + 8879^2 .

It is a super-2 number, since 2×1453080502 = 42228858789605000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1453031 + ... + 1453130.

Almost surely, 2145308050 is an apocalyptic number.

145308050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145308050 is a deficient number, since it is larger than the sum of its proper divisors (124965016).

145308050 is a wasteful number, since it uses less digits than its factorization.

145308050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2906173 (or 2906168 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 145308050 is about 12054.3788724264. The cubic root of 145308050 is about 525.7305626585.

The spelling of 145308050 in words is "one hundred forty-five million, three hundred eight thousand, fifty".

Divisors: 1 2 5 10 25 50 2906161 5812322 14530805 29061610 72654025 145308050