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61320352 = 255932479
BaseRepresentation
bin1110100111101…
…0110010100000
311021101101201011
43221322302200
5111144222402
610030150304
71343133352
oct351726240
9137341634
1061320352
1131682985
1218652394
13c91cc42
1482030d2
1555b3ed7
hex3a7aca0

61320352 has 24 divisors (see below), whose sum is σ = 122774400. Its totient is φ = 30139584.

The previous prime is 61320349. The next prime is 61320367. The reversal of 61320352 is 25302316.

61320352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14352 + ... + 18127.

It is an arithmetic number, because the mean of its divisors is an integer number (5115600).

Almost surely, 261320352 is an apocalyptic number.

It is an amenable number.

61320352 is an abundant number, since it is smaller than the sum of its proper divisors (61454048).

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

61320352 is a wasteful number, since it uses less digits than its factorization.

61320352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32548 (or 32540 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 61320352 is about 7830.7312557640. The cubic root of 61320352 is about 394.3376219155.

Adding to 61320352 its reverse (25302316), we get a palindrome (86622668).

The spelling of 61320352 in words is "sixty-one million, three hundred twenty thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 32 59 118 236 472 944 1888 32479 64958 129916 259832 519664 1039328 1916261 3832522 7665044 15330088 30660176 61320352