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42789350 = 252855787
BaseRepresentation
bin1010001100111…
…0100111100110
32222111220221202
42203032213212
541423224400
64125042502
71026463202
oct243164746
988456852
1042789350
11221762aa
12123b6432
138b32356
14597bb02
153b534d5
hex28ce9e6

42789350 has 12 divisors (see below), whose sum is σ = 79588284. Its totient is φ = 17115720.

The previous prime is 42789287. The next prime is 42789359. The reversal of 42789350 is 5398724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42789359) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 427844 + ... + 427943.

It is an arithmetic number, because the mean of its divisors is an integer number (6632357).

Almost surely, 242789350 is an apocalyptic number.

42789350 is a deficient number, since it is larger than the sum of its proper divisors (36798934).

42789350 is a wasteful number, since it uses less digits than its factorization.

42789350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855799 (or 855794 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 42789350 is about 6541.3568928778. The cubic root of 42789350 is about 349.7667834101.

The spelling of 42789350 in words is "forty-two million, seven hundred eighty-nine thousand, three hundred fifty".

Divisors: 1 2 5 10 25 50 855787 1711574 4278935 8557870 21394675 42789350