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71401054 = 2172100031
BaseRepresentation
bin1000100000101…
…11111001011110
311222100112211111
410100113321132
5121234313204
611030212234
71524620224
oct420277136
9158315744
1071401054
113733873a
121bab407a
1311a3c45a
1496a8b14
156405d04
hex4417e5e

71401054 has 8 divisors (see below), whose sum is σ = 113401728. Its totient is φ = 33600480.

The previous prime is 71401019. The next prime is 71401067. The reversal of 71401054 is 45010417.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×714010542 = 10196221024621832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1049982 + ... + 1050049.

It is an arithmetic number, because the mean of its divisors is an integer number (14175216).

Almost surely, 271401054 is an apocalyptic number.

71401054 is a deficient number, since it is larger than the sum of its proper divisors (42000674).

71401054 is a wasteful number, since it uses less digits than its factorization.

71401054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100050.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 71401054 is about 8449.9144374366. The cubic root of 71401054 is about 414.8599788908.

The spelling of 71401054 in words is "seventy-one million, four hundred one thousand, fifty-four".

Divisors: 1 2 17 34 2100031 4200062 35700527 71401054