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54722136 = 23373071061
BaseRepresentation
bin1101000010111…
…1111001011000
310210222011122210
43100233321120
5103002102021
65232515120
71233062520
oct320577130
9123864583
1054722136
1128986607
12163abaa0
13b44c881
1473a6680
154c0de76
hex342fe58

54722136 has 64 divisors (see below), whose sum is σ = 157006080. Its totient is φ = 15569280.

The previous prime is 54722131. The next prime is 54722137. The reversal of 54722136 is 63122745.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54722131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51046 + ... + 52106.

It is an arithmetic number, because the mean of its divisors is an integer number (2453220).

Almost surely, 254722136 is an apocalyptic number.

54722136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54722136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78503040).

54722136 is an abundant number, since it is smaller than the sum of its proper divisors (102283944).

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

54722136 is a wasteful number, since it uses less digits than its factorization.

54722136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384 (or 1380 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 54722136 is about 7397.4411792187. The cubic root of 54722136 is about 379.6537381316.

The spelling of 54722136 in words is "fifty-four million, seven hundred twenty-two thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 307 614 921 1061 1228 1842 2122 2149 2456 3183 3684 4244 4298 6366 6447 7368 7427 8488 8596 12732 12894 14854 17192 22281 25464 25788 29708 44562 51576 59416 89124 178248 325727 651454 977181 1302908 1954362 2280089 2605816 3908724 4560178 6840267 7817448 9120356 13680534 18240712 27361068 54722136