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53463740 = 22511733329
BaseRepresentation
bin1100101111110…
…0101010111100
310201121020110112
43023330222330
5102141314430
65145525152
71216301651
oct313745274
9121536415
1053463740
11281a7110
1215aa37b8
13b0cbb65
147159c28
154a61195
hex32fcabc

53463740 has 48 divisors (see below), whose sum is σ = 124195680. Its totient is φ = 19169280.

The previous prime is 53463731. The next prime is 53463757. The reversal of 53463740 is 4736435.

It is a junction number, because it is equal to n+sod(n) for n = 53463697 and 53463706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14396 + ... + 17724.

It is an arithmetic number, because the mean of its divisors is an integer number (2587410).

Almost surely, 253463740 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 53463740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62097840).

53463740 is an abundant number, since it is smaller than the sum of its proper divisors (70731940).

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

53463740 is a wasteful number, since it uses less digits than its factorization.

53463740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422 (or 3420 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 53463740 is about 7311.8903164640. The cubic root of 53463740 is about 376.7209552714.

The spelling of 53463740 in words is "fifty-three million, four hundred sixty-three thousand, seven hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 73 110 146 220 292 365 730 803 1460 1606 3212 3329 4015 6658 8030 13316 16060 16645 33290 36619 66580 73238 146476 183095 243017 366190 486034 732380 972068 1215085 2430170 2673187 4860340 5346374 10692748 13365935 26731870 53463740