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30463117 = 251121367
BaseRepresentation
bin111010000110…
…1010010001101
32010022200112121
41310031102031
530244304432
63004532541
7516634516
oct164152215
963280477
1030463117
1116217433
12a251151
136407a19
14408da0d
152a1b197
hex1d0d48d

30463117 has 4 divisors (see below), whose sum is σ = 30584736. Its totient is φ = 30341500.

The previous prime is 30463093. The next prime is 30463127. The reversal of 30463117 is 71136403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71136403 = 135472031.

It is a cyclic number.

It is not a de Polignac number, because 30463117 - 215 = 30430349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30463091 and 30463100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30463127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60433 + ... + 60934.

It is an arithmetic number, because the mean of its divisors is an integer number (7646184).

Almost surely, 230463117 is an apocalyptic number.

It is an amenable number.

30463117 is a deficient number, since it is larger than the sum of its proper divisors (121619).

30463117 is a wasteful number, since it uses less digits than its factorization.

30463117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121618.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 30463117 is about 5519.3402685466. The cubic root of 30463117 is about 312.3139953359.

The spelling of 30463117 in words is "thirty million, four hundred sixty-three thousand, one hundred seventeen".

Divisors: 1 251 121367 30463117