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671415070 = 25257261251
BaseRepresentation
bin101000000001001…
…111101100011110
31201210101102022211
4220001033230132
52333340240240
6150342431034
722431635224
oct5001175436
91653342284
10671415070
11314aa6097
12168a3247a
13a9141531
1465256b14
153de27bea
hex2804fb1e

671415070 has 16 divisors (see below), whose sum is σ = 1213254288. Its totient is φ = 267520000.

The previous prime is 671415013. The next prime is 671415089. The reversal of 671415070 is 70514176.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128056 + ... + 133195.

It is an arithmetic number, because the mean of its divisors is an integer number (75828393).

Almost surely, 2671415070 is an apocalyptic number.

671415070 is a deficient number, since it is larger than the sum of its proper divisors (541839218).

671415070 is a wasteful number, since it uses less digits than its factorization.

671415070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261515.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 671415070 is about 25911.6782551806. The cubic root of 671415070 is about 875.6496160971.

The spelling of 671415070 in words is "six hundred seventy-one million, four hundred fifteen thousand, seventy".

Divisors: 1 2 5 10 257 514 1285 2570 261251 522502 1306255 2612510 67141507 134283014 335707535 671415070