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30988046 = 2411093467
BaseRepresentation
bin111011000110…
…1011100001110
32011022100121102
41312031130032
530413104141
63024103102
7524252105
oct166153416
964270542
1030988046
1116545861
12a464a92
13655c92b
14418903c
152ac199b
hex1d8d70e

30988046 has 16 divisors (see below), whose sum is σ = 48066480. Its totient is φ = 14973120.

The previous prime is 30988043. The next prime is 30988049. The reversal of 30988046 is 64088903.

It is an interprime number because it is at equal distance from previous prime (30988043) and next prime (30988049).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30988043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7205 + ... + 10671.

It is an arithmetic number, because the mean of its divisors is an integer number (3004155).

Almost surely, 230988046 is an apocalyptic number.

30988046 is a deficient number, since it is larger than the sum of its proper divisors (17078434).

30988046 is a wasteful number, since it uses less digits than its factorization.

30988046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3619.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 30988046 is about 5566.6907584309. The cubic root of 30988046 is about 314.0976814841.

The spelling of 30988046 in words is "thirty million, nine hundred eighty-eight thousand, forty-six".

Divisors: 1 2 41 82 109 218 3467 4469 6934 8938 142147 284294 377903 755806 15494023 30988046