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47042275 = 527268813
BaseRepresentation
bin1011001101110…
…0111011100011
310021111222212111
42303130323203
544020323100
64400140151
71110565330
oct263347343
9107458774
1047042275
1124610615
1213907657
139991087
146367987
1541e36ba
hex2cdcee3

47042275 has 12 divisors (see below), whose sum is σ = 66665872. Its totient is φ = 32257440.

The previous prime is 47042273. The next prime is 47042287. The reversal of 47042275 is 57224074.

It is not a de Polignac number, because 47042275 - 21 = 47042273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47042273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134232 + ... + 134581.

Almost surely, 247042275 is an apocalyptic number.

47042275 is a deficient number, since it is larger than the sum of its proper divisors (19623597).

47042275 is a wasteful number, since it uses less digits than its factorization.

47042275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268830 (or 268825 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 47042275 is about 6858.7371286557. The cubic root of 47042275 is about 360.9907763851.

The spelling of 47042275 in words is "forty-seven million, forty-two thousand, two hundred seventy-five".

Divisors: 1 5 7 25 35 175 268813 1344065 1881691 6720325 9408455 47042275