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71404325 = 522856173
BaseRepresentation
bin1000100000110…
…00101100100101
311222100201022122
410100120230211
5121234414300
611030235325
71524632606
oct420305445
9158321278
1071404325
1137340143
121bab5b45
1311a40aa5
1496a9dad
156406c85
hex4418b25

71404325 has 6 divisors (see below), whose sum is σ = 88541394. Its totient is φ = 57123440.

The previous prime is 71404283. The next prime is 71404349. The reversal of 71404325 is 52340417.

It can be written as a sum of positive squares in 3 ways, for example, as 15124321 + 56280004 = 3889^2 + 7502^2 .

It is not a de Polignac number, because 71404325 - 210 = 71403301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71404294 and 71404303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1428062 + ... + 1428111.

It is an arithmetic number, because the mean of its divisors is an integer number (14756899).

Almost surely, 271404325 is an apocalyptic number.

It is an amenable number.

71404325 is a deficient number, since it is larger than the sum of its proper divisors (17137069).

71404325 is a wasteful number, since it uses less digits than its factorization.

71404325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856183 (or 2856178 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 71404325 is about 8450.1079874757. The cubic root of 71404325 is about 414.8663139339.

The spelling of 71404325 in words is "seventy-one million, four hundred four thousand, three hundred twenty-five".

Divisors: 1 5 25 2856173 14280865 71404325