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145830698 = 2135608873
BaseRepresentation
bin10001011000100…
…11001100101010
3101011101222002222
420230103030222
5244313040243
622245354042
73420353246
oct1054231452
9334358088
10145830698
1175354842
1240a08922
132429c270
1415521426
15cc09168
hex8b1332a

145830698 has 8 divisors (see below), whose sum is σ = 235572708. Its totient is φ = 67306464.

The previous prime is 145830661. The next prime is 145830703. The reversal of 145830698 is 896038541.

It can be written as a sum of positive squares in 2 ways, for example, as 119749249 + 26081449 = 10943^2 + 5107^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2804411 + ... + 2804462.

Almost surely, 2145830698 is an apocalyptic number.

145830698 is a deficient number, since it is larger than the sum of its proper divisors (89742010).

145830698 is a wasteful number, since it uses less digits than its factorization.

145830698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5608888.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 145830698 is about 12076.0381748320. The cubic root of 145830698 is about 526.3601291736.

The spelling of 145830698 in words is "one hundred forty-five million, eight hundred thirty thousand, six hundred ninety-eight".

Divisors: 1 2 13 26 5608873 11217746 72915349 145830698