Search a number
-
+
92138228 = 22721336161
BaseRepresentation
bin1010111110111…
…10101011110100
320102101002212222
411133132223310
5142041410403
613050501512
72166106400
oct537365364
9212332788
1092138228
11480118a6
1226a34898
1316120280
14c346100
158150338
hex57deaf4

92138228 has 36 divisors (see below), whose sum is σ = 202000932. Its totient is φ = 36449280.

The previous prime is 92138227. The next prime is 92138261. The reversal of 92138228 is 82283129.

It can be written as a sum of positive squares in 2 ways, for example, as 42745444 + 49392784 = 6538^2 + 7028^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92138227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15533 + ... + 20628.

It is an arithmetic number, because the mean of its divisors is an integer number (5611137).

Almost surely, 292138228 is an apocalyptic number.

92138228 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

92138228 is an abundant number, since it is smaller than the sum of its proper divisors (109862704).

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

92138228 is a wasteful number, since it uses less digits than its factorization.

92138228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36192 (or 36183 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 92138228 is about 9598.8659746868. The cubic root of 92138228 is about 451.6617212066.

The spelling of 92138228 in words is "ninety-two million, one hundred thirty-eight thousand, two hundred twenty-eight".

Divisors: 1 2 4 7 13 14 26 28 49 52 91 98 182 196 364 637 1274 2548 36161 72322 144644 253127 470093 506254 940186 1012508 1771889 1880372 3290651 3543778 6581302 7087556 13162604 23034557 46069114 92138228