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57423548 = 2271319323
BaseRepresentation
bin1101101100001…
…1011010111100
311000001102022002
43123003122330
5104200023143
65410441432
71265043410
oct333033274
9130042262
1057423548
112a461186
1217293278
13bb87340
1478aad40
1550945b8
hex36c36bc

57423548 has 96 divisors (see below), whose sum is σ = 136227840. Its totient is φ = 20585664.

The previous prime is 57423523. The next prime is 57423559. The reversal of 57423548 is 84532475.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

Its product of digits (134400) is a multiple of the sum of its prime divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2496665 + ... + 2496687.

It is an arithmetic number, because the mean of its divisors is an integer number (1419040).

Almost surely, 257423548 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57423548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68113920).

57423548 is an abundant number, since it is smaller than the sum of its proper divisors (78804292).

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

57423548 is a wasteful number, since it uses less digits than its factorization.

57423548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 64 counting only the distinct ones).

The product of its digits is 134400, while the sum is 38.

The square root of 57423548 is about 7577.8326716813. The cubic root of 57423548 is about 385.8009927483.

The spelling of 57423548 in words is "fifty-seven million, four hundred twenty-three thousand, five hundred forty-eight".

Divisors: 1 2 4 7 13 14 19 23 26 28 38 46 52 76 91 92 133 161 182 247 266 299 322 361 364 437 494 532 598 644 722 874 988 1196 1444 1729 1748 2093 2527 3059 3458 4186 4693 5054 5681 6118 6859 6916 8303 8372 9386 10108 11362 12236 13718 16606 18772 22724 27436 32851 33212 39767 48013 58121 65702 79534 89167 96026 107939 116242 131404 157757 159068 178334 192052 215878 232484 315514 356668 431756 624169 631028 755573 1104299 1248338 1511146 2050841 2208598 2496676 3022292 4101682 4417196 8203364 14355887 28711774 57423548