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30193625 = 537113137
BaseRepresentation
bin111001100101…
…1011111011001
32002210222212102
41303023133121
530212144000
62555053145
7514433030
oct163133731
962728772
1030193625
1116052a10
12a1411b5
136342167
14401d717
1529b63d5
hex1ccb7d9

30193625 has 32 divisors (see below), whose sum is σ = 46994688. Its totient is φ = 18816000.

The previous prime is 30193621. The next prime is 30193661. The reversal of 30193625 is 52639103.

It is not a de Polignac number, because 30193625 - 22 = 30193621 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30193621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8057 + ... + 11193.

It is an arithmetic number, because the mean of its divisors is an integer number (1468584).

Almost surely, 230193625 is an apocalyptic number.

30193625 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30193625 is a deficient number, since it is larger than the sum of its proper divisors (16801063).

30193625 is a wasteful number, since it uses less digits than its factorization.

30193625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3170 (or 3160 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 30193625 is about 5494.8726099883. The cubic root of 30193625 is about 311.3903041044.

The spelling of 30193625 in words is "thirty million, one hundred ninety-three thousand, six hundred twenty-five".

Divisors: 1 5 7 11 25 35 55 77 125 175 275 385 875 1375 1925 3137 9625 15685 21959 34507 78425 109795 172535 241549 392125 548975 862675 1207745 2744875 4313375 6038725 30193625