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30061402 = 272306749
BaseRepresentation
bin111001010101…
…1001101011010
32002120021111021
41302223031122
530143431102
62552153054
7513342400
oct162531532
962507437
1030061402
1115a72638
12a09878a
1362c6c17
143dc7470
15298c137
hex1cab35a

30061402 has 12 divisors (see below), whose sum is σ = 52454250. Its totient is φ = 12883416.

The previous prime is 30061399. The next prime is 30061417. The reversal of 30061402 is 20416003.

It can be written as a sum of positive squares in only one way, i.e., 28526281 + 1535121 = 5341^2 + 1239^2 .

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, 153277 + ... + 153472.

Almost surely, 230061402 is an apocalyptic number.

30061402 is a deficient number, since it is larger than the sum of its proper divisors (22392848).

30061402 is a wasteful number, since it uses less digits than its factorization.

30061402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306765 (or 306758 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 30061402 is about 5482.8279199698. The cubic root of 30061402 is about 310.9350953426.

Adding to 30061402 its reverse (20416003), we get a palindrome (50477405).

The spelling of 30061402 in words is "thirty million, sixty-one thousand, four hundred two".

Divisors: 1 2 7 14 49 98 306749 613498 2147243 4294486 15030701 30061402