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53742228 = 22343310343
BaseRepresentation
bin1100110100000…
…0101010010100
310202010101110220
43031000222110
5102224222403
65155514340
71221541611
oct315005224
9122111426
1053742228
1128377371
1215bb89b0
13b198847
1471cd508
154ab8953
hex3340a94

53742228 has 24 divisors (see below), whose sum is σ = 125700288. Its totient is φ = 17870976.

The previous prime is 53742211. The next prime is 53742229. The reversal of 53742228 is 82224735.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53742229) 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, 25 + ... + 10367.

It is an arithmetic number, because the mean of its divisors is an integer number (5237512).

Almost surely, 253742228 is an apocalyptic number.

It is an amenable number.

53742228 is an abundant number, since it is smaller than the sum of its proper divisors (71958060).

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

53742228 is a wasteful number, since it uses less digits than its factorization.

53742228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10783 (or 10781 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 53742228 is about 7330.9090841450. The cubic root of 53742228 is about 377.3739251227.

The spelling of 53742228 in words is "fifty-three million, seven hundred forty-two thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 433 866 1299 1732 2598 5196 10343 20686 31029 41372 62058 124116 4478519 8957038 13435557 17914076 26871114 53742228