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305474098 = 2152737049
BaseRepresentation
bin10010001101010…
…010101000110010
3210021210200200111
4102031102220302
51111200132343
650151211534
710366326016
oct2215225062
9707720614
10305474098
11147483236
1286376baa
134b396607
142c7da546
151bc40c9d
hex12352a32

305474098 has 4 divisors (see below), whose sum is σ = 458211150. Its totient is φ = 152737048.

The previous prime is 305474089. The next prime is 305474123. The reversal of 305474098 is 890474503.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 890474503 = 7703115601.

It can be written as a sum of positive squares in only one way, i.e., 195916009 + 109558089 = 13997^2 + 10467^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 305474098.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76368523 + ... + 76368526.

Almost surely, 2305474098 is an apocalyptic number.

305474098 is a deficient number, since it is larger than the sum of its proper divisors (152737052).

305474098 is a wasteful number, since it uses less digits than its factorization.

305474098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152737051.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 305474098 is about 17477.8173122390. The cubic root of 305474098 is about 673.4801454751.

The spelling of 305474098 in words is "three hundred five million, four hundred seventy-four thousand, ninety-eight".

Divisors: 1 2 152737049 305474098