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60990063 = 3131155191
BaseRepresentation
bin1110100010101…
…0001001101111
311020202121122020
43220222021233
5111103140223
610015121223
71340256411
oct350521157
9136677566
1060990063
1131477812
1218513213
13c8357c4
1481589b1
15554b1e3
hex3a2a26f

60990063 has 8 divisors (see below), whose sum is σ = 81941376. Its totient is φ = 40349400.

The previous prime is 60990053. The next prime is 60990077. The reversal of 60990063 is 36009906.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 60990063 - 25 = 60990031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60990053) 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, 77203 + ... + 77988.

It is an arithmetic number, because the mean of its divisors is an integer number (10242672).

Almost surely, 260990063 is an apocalyptic number.

60990063 is a deficient number, since it is larger than the sum of its proper divisors (20951313).

60990063 is a wasteful number, since it uses less digits than its factorization.

60990063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155325.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 60990063 is about 7809.6134987591. The cubic root of 60990063 is about 393.6283417546.

Adding to 60990063 its reverse (36009906), we get a palindrome (96999969).

The spelling of 60990063 in words is "sixty million, nine hundred ninety thousand, sixty-three".

Divisors: 1 3 131 393 155191 465573 20330021 60990063