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56758340 = 2257935923
BaseRepresentation
bin1101100010000…
…1000001000100
310221210121210202
43120201001010
5104012231330
65344310032
71256303132
oct330410104
9127717722
1056758340
112a047421
1217012318
13b9b3622
147776752
154eb2445
hex3621044

56758340 has 24 divisors (see below), whose sum is σ = 120704640. Its totient is φ = 22415328.

The previous prime is 56758321. The next prime is 56758343. The reversal of 56758340 is 4385765.

It is a junction number, because it is equal to n+sod(n) for n = 56758294 and 56758303.

It is not an unprimeable number, because it can be changed into a prime (56758343) 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, 16382 + ... + 19541.

It is an arithmetic number, because the mean of its divisors is an integer number (5029360).

Almost surely, 256758340 is an apocalyptic number.

It is an amenable number.

56758340 is an abundant number, since it is smaller than the sum of its proper divisors (63946300).

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

56758340 is a wasteful number, since it uses less digits than its factorization.

56758340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36011 (or 36009 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 56758340 is about 7533.8131115657. The cubic root of 56758340 is about 384.3054662155.

The spelling of 56758340 in words is "fifty-six million, seven hundred fifty-eight thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 79 158 316 395 790 1580 35923 71846 143692 179615 359230 718460 2837917 5675834 11351668 14189585 28379170 56758340