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71427122 = 2134758451
BaseRepresentation
bin1000100000111…
…10010000110010
311222101212120222
410100132100302
5121241131442
611030533042
71525056224
oct420362062
9158355528
1071427122
1137356288
121bb07182
1311a4b290
1496b4414
15640d8d2
hex441e432

71427122 has 16 divisors (see below), whose sum is σ = 117839232. Its totient is φ = 32264400.

The previous prime is 71427119. The next prime is 71427133. The reversal of 71427122 is 22172417.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 71427091 and 71427100.

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, 28004 + ... + 30447.

It is an arithmetic number, because the mean of its divisors is an integer number (7364952).

Almost surely, 271427122 is an apocalyptic number.

71427122 is a deficient number, since it is larger than the sum of its proper divisors (46412110).

71427122 is a wasteful number, since it uses less digits than its factorization.

71427122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58513.

The product of its digits is 1568, while the sum is 26.

The square root of 71427122 is about 8451.4567974995. The cubic root of 71427122 is about 414.9104601908.

Adding to 71427122 its reverse (22172417), we get a palindrome (93599539).

The spelling of 71427122 in words is "seventy-one million, four hundred twenty-seven thousand, one hundred twenty-two".

Divisors: 1 2 13 26 47 94 611 1222 58451 116902 759863 1519726 2747197 5494394 35713561 71427122