Search a number
-
+
82090968 = 2333420457
BaseRepresentation
bin1001110010010…
…01101111011000
312201110122122020
410321021233120
5132003402333
612051254440
72014522161
oct471115730
9181418566
1082090968
114237a183
12235aa420
131401304b
14ac8c768
1573183b3
hex4e49bd8

82090968 has 16 divisors (see below), whose sum is σ = 205227480. Its totient is φ = 27363648.

The previous prime is 82090961. The next prime is 82090991. The reversal of 82090968 is 86909028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82090961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1710205 + ... + 1710252.

Almost surely, 282090968 is an apocalyptic number.

It is an amenable number.

82090968 is an abundant number, since it is smaller than the sum of its proper divisors (123136512).

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

82090968 is a wasteful number, since it uses less digits than its factorization.

82090968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3420466 (or 3420462 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 82090968 is about 9060.4066133921. The cubic root of 82090968 is about 434.6087431858.

The spelling of 82090968 in words is "eighty-two million, ninety thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 3420457 6840914 10261371 13681828 20522742 27363656 41045484 82090968