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47122030 = 254712203
BaseRepresentation
bin1011001111000…
…0011001101110
310021200001021101
42303300121232
544030401110
64401553314
71111350004
oct263603156
9107601241
1047122030
112466552a
121394583a
1399bb477
146388a74
15420c13a
hex2cf066e

47122030 has 8 divisors (see below), whose sum is σ = 84819672. Its totient is φ = 18848808.

The previous prime is 47122027. The next prime is 47122039. The reversal of 47122030 is 3022174.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×471220302 = 4440971422641800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47121989 and 47122007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47122039) 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, 2356092 + ... + 2356111.

It is an arithmetic number, because the mean of its divisors is an integer number (10602459).

Almost surely, 247122030 is an apocalyptic number.

47122030 is a deficient number, since it is larger than the sum of its proper divisors (37697642).

47122030 is a wasteful number, since it uses less digits than its factorization.

47122030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4712210.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 47122030 is about 6864.5487834234. The cubic root of 47122030 is about 361.1946679141.

The spelling of 47122030 in words is "forty-seven million, one hundred twenty-two thousand, thirty".

Divisors: 1 2 5 10 4712203 9424406 23561015 47122030