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71490626 = 2294872531
BaseRepresentation
bin1000100001011…
…01110001000010
311222112002200222
410100231301002
5121300200001
611032143042
71525442324
oct420556102
9158462628
1071490626
1137399a69
121bb37a82
1311a7115c
1496cd614
15642261b
hex442dc42

71490626 has 16 divisors (see below), whose sum is σ = 111205440. Its totient is φ = 34428240.

The previous prime is 71490607. The next prime is 71490637. The reversal of 71490626 is 62609417.

It is a super-2 number, since 2×714906262 = 10221819211743752, which contains 22 as substring.

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, 26981 + ... + 29511.

It is an arithmetic number, because the mean of its divisors is an integer number (6950340).

Almost surely, 271490626 is an apocalyptic number.

71490626 is a deficient number, since it is larger than the sum of its proper divisors (39714814).

71490626 is a wasteful number, since it uses less digits than its factorization.

71490626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3049.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 71490626 is about 8455.2129482350. The cubic root of 71490626 is about 415.0333858078.

The spelling of 71490626 in words is "seventy-one million, four hundred ninety thousand, six hundred twenty-six".

Divisors: 1 2 29 58 487 974 2531 5062 14123 28246 73399 146798 1232597 2465194 35745313 71490626