Search a number
-
+
42213810 = 23513710271
BaseRepresentation
bin1010000100001…
…0000110110010
32221102200110110
42201002012302
541301320220
64104442150
71021545222
oct241020662
987380413
1042213810
1121912951
1212179356
1389903b2
14586c082
153a8cbe0
hex28421b2

42213810 has 32 divisors (see below), whose sum is σ = 102062592. Its totient is φ = 11173760.

The previous prime is 42213799. The next prime is 42213841. The reversal of 42213810 is 1831224.

It is a super-2 number, since 2×422138102 = 3564011509432200, which contains 22 as substring.

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, 1026 + ... + 9245.

It is an arithmetic number, because the mean of its divisors is an integer number (3189456).

Almost surely, 242213810 is an apocalyptic number.

42213810 is an abundant number, since it is smaller than the sum of its proper divisors (59848782).

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

42213810 is a wasteful number, since it uses less digits than its factorization.

42213810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10418.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 42213810 is about 6497.2155574523. The cubic root of 42213810 is about 348.1915150095.

The spelling of 42213810 in words is "forty-two million, two hundred thirteen thousand, eight hundred ten".

Divisors: 1 2 3 5 6 10 15 30 137 274 411 685 822 1370 2055 4110 10271 20542 30813 51355 61626 102710 154065 308130 1407127 2814254 4221381 7035635 8442762 14071270 21106905 42213810