Search a number
-
+
42458310 = 2335157253
BaseRepresentation
bin1010000111110…
…1110011000110
32221220002212000
42201331303012
541332131220
64114010130
71023614106
oct241756306
987802760
1042458310
1121a6a614
1212276946
138a4777b
1458d3206
153ada390
hex287dcc6

42458310 has 32 divisors (see below), whose sum is σ = 113222880. Its totient is φ = 11322144.

The previous prime is 42458237. The next prime is 42458321. The reversal of 42458310 is 1385424.

It is a super-2 number, since 2×424583102 = 3605416176112200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78357 + ... + 78896.

It is an arithmetic number, because the mean of its divisors is an integer number (3538215).

Almost surely, 242458310 is an apocalyptic number.

42458310 is an abundant number, since it is smaller than the sum of its proper divisors (70764570).

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

42458310 is a wasteful number, since it uses less digits than its factorization.

42458310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157269 (or 157263 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 42458310 is about 6516.0041436451. The cubic root of 42458310 is about 348.8624565076.

The spelling of 42458310 in words is "forty-two million, four hundred fifty-eight thousand, three hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 157253 314506 471759 786265 943518 1415277 1572530 2358795 2830554 4245831 4717590 7076385 8491662 14152770 21229155 42458310