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68060553 = 3114574513
BaseRepresentation
bin1000000111010…
…00010110001001
311202001211112020
410003220112021
5114410414203
610430435053
71454335161
oct403502611
9152054466
1068060553
11354669a0
121a962a89
131113cb22
1490795a1
155e96153
hex40e8589

68060553 has 16 divisors (see below), whose sum is σ = 99235776. Its totient is φ = 41149440.

The previous prime is 68060549. The next prime is 68060557. The reversal of 68060553 is 35506086.

It is an interprime number because it is at equal distance from previous prime (68060549) and next prime (68060557).

It is not a de Polignac number, because 68060553 - 22 = 68060549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (68060557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12825 + ... + 17337.

It is an arithmetic number, because the mean of its divisors is an integer number (6202236).

Almost surely, 268060553 is an apocalyptic number.

It is an amenable number.

68060553 is a deficient number, since it is larger than the sum of its proper divisors (31175223).

68060553 is a wasteful number, since it uses less digits than its factorization.

68060553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4984.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 68060553 is about 8249.8819991561. The cubic root of 68060553 is about 408.2866293754.

The spelling of 68060553 in words is "sixty-eight million, sixty thousand, five hundred fifty-three".

Divisors: 1 3 11 33 457 1371 4513 5027 13539 15081 49643 148929 2062441 6187323 22686851 68060553