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47957450 = 252959149
BaseRepresentation
bin1011011011110…
…0010111001010
310100020111020212
42312330113022
544234114300
64431521122
71121426432
oct266742712
9110214225
1047957450
1125086162
12140891a2
139c217b8
1465252c2
154324935
hex2dbc5ca

47957450 has 12 divisors (see below), whose sum is σ = 89200950. Its totient is φ = 19182960.

The previous prime is 47957431. The next prime is 47957453. The reversal of 47957450 is 5475974.

It can be written as a sum of positive squares in 3 ways, for example, as 38477209 + 9480241 = 6203^2 + 3079^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47957398 and 47957407.

It is not an unprimeable number, because it can be changed into a prime (47957453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 479525 + ... + 479624.

Almost surely, 247957450 is an apocalyptic number.

47957450 is a deficient number, since it is larger than the sum of its proper divisors (41243500).

47957450 is a wasteful number, since it uses less digits than its factorization.

47957450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959161 (or 959156 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 47957450 is about 6925.1317676994. The cubic root of 47957450 is about 363.3167000400.

The spelling of 47957450 in words is "forty-seven million, nine hundred fifty-seven thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 959149 1918298 4795745 9591490 23978725 47957450