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1057450086 = 233721147773
BaseRepresentation
bin111111000001110…
…110100001100110
32201200210000211000
4333001312201212
54131201400321
6252532454130
735130114600
oct7701664146
92650700730
101057450086
114a29a29a0
1225617a346
1313b103614
14a0624170
1562c7d826
hex3f076866

1057450086 has 192 divisors, whose sum is σ = 3049436160. Its totient is φ = 268470720.

The previous prime is 1057450061. The next prime is 1057450087. The reversal of 1057450086 is 6800547501.

1057450086 is a `hidden beast` number, since 1 + 0 + 5 + 74 + 500 + 86 = 666.

It is a super-2 number, since 2×10574500862 = 2236401368762814792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1057450086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057450087) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1367596 + ... + 1368368.

It is an arithmetic number, because the mean of its divisors is an integer number (15882480).

Almost surely, 21057450086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1057450086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1524718080).

1057450086 is an abundant number, since it is smaller than the sum of its proper divisors (1991986074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1057450086 is a wasteful number, since it uses less digits than its factorization.

1057450086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856 (or 843 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 1057450086 is about 32518.4576202501. The cubic root of 1057450086 is about 1018.7945794737.

Adding to 1057450086 its reverse (6800547501), we get a palindrome (7857997587).

The spelling of 1057450086 in words is "one billion, fifty-seven million, four hundred fifty thousand, eighty-six".