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71357629 = 731328837
BaseRepresentation
bin1000100000011…
…01010010111101
311222021100021011
410100031102331
5121231421004
611025235221
71524346510
oct420152275
9158240234
1071357629
1137309052
121ba92b11
1311a25765
149696d77
1563e8004
hex440d4bd

71357629 has 8 divisors (see below), whose sum is σ = 84182528. Its totient is φ = 59190480.

The previous prime is 71357623. The next prime is 71357639. The reversal of 71357629 is 92675317.

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

It is a cyclic number.

It is not a de Polignac number, because 71357629 - 213 = 71349437 is a prime.

It is a super-2 number, since 2×713576292 = 10183822433003282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71357591 and 71357600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71357623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164202 + ... + 164635.

It is an arithmetic number, because the mean of its divisors is an integer number (10522816).

Almost surely, 271357629 is an apocalyptic number.

It is an amenable number.

71357629 is a deficient number, since it is larger than the sum of its proper divisors (12824899).

71357629 is a wasteful number, since it uses less digits than its factorization.

71357629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328875.

The product of its digits is 79380, while the sum is 40.

The square root of 71357629 is about 8447.3444939815. The cubic root of 71357629 is about 414.7758580596.

The spelling of 71357629 in words is "seventy-one million, three hundred fifty-seven thousand, six hundred twenty-nine".

Divisors: 1 7 31 217 328837 2301859 10193947 71357629