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30230998 = 2717373433
BaseRepresentation
bin111001101010…
…0100111010110
32002212220010121
41303110213112
530214342443
62555542154
7514650010
oct163244726
962786117
1030230998
1116078aa6
12a15a95a
136356185
14402d1b0
1529c24ed
hex1cd49d6

30230998 has 32 divisors (see below), whose sum is σ = 56372544. Its totient is φ = 11860992.

The previous prime is 30230933. The next prime is 30230999. The reversal of 30230998 is 89903203.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30230999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7090 + ... + 10522.

It is an arithmetic number, because the mean of its divisors is an integer number (1761642).

Almost surely, 230230998 is an apocalyptic number.

30230998 is a deficient number, since it is larger than the sum of its proper divisors (26141546).

30230998 is a wasteful number, since it uses less digits than its factorization.

30230998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3496.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 30230998 is about 5498.2722740876. The cubic root of 30230998 is about 311.5187284716.

The spelling of 30230998 in words is "thirty million, two hundred thirty thousand, nine hundred ninety-eight".

Divisors: 1 2 7 14 17 34 37 74 119 238 259 518 629 1258 3433 4403 6866 8806 24031 48062 58361 116722 127021 254042 408527 817054 889147 1778294 2159357 4318714 15115499 30230998