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42989498 = 2173140787
BaseRepresentation
bin1010001111111…
…1011110111010
32222220002111122
42203333132322
542001130443
64133225242
71031255546
oct243773672
988802448
1042989498
11222a2712
1212492222
138ba2496
1459d0a26
153b92968
hex28ff7ba

42989498 has 16 divisors (see below), whose sum is σ = 70481664. Its totient is φ = 19577280.

The previous prime is 42989489. The next prime is 42989587. The reversal of 42989498 is 89498924.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19340 + ... + 21447.

It is an arithmetic number, because the mean of its divisors is an integer number (4405104).

Almost surely, 242989498 is an apocalyptic number.

42989498 is a deficient number, since it is larger than the sum of its proper divisors (27492166).

42989498 is a wasteful number, since it uses less digits than its factorization.

42989498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40837.

The product of its digits is 1492992, while the sum is 53.

The square root of 42989498 is about 6556.6377054097. The cubic root of 42989498 is about 350.3112822541.

The spelling of 42989498 in words is "forty-two million, nine hundred eighty-nine thousand, four hundred ninety-eight".

Divisors: 1 2 17 31 34 62 527 1054 40787 81574 693379 1264397 1386758 2528794 21494749 42989498