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42238416 = 2431179997
BaseRepresentation
bin1010000100100…
…0000111010000
32221110221012210
42201020013100
541303112131
64105152120
71022010033
oct241100720
987427183
1042238416
112192a390
121218b640
13899b65c
14587701a
153a95146
hex28481d0

42238416 has 40 divisors (see below), whose sum is σ = 119037024. Its totient is φ = 12799360.

The previous prime is 42238393. The next prime is 42238439. The reversal of 42238416 is 61483224.

It is an interprime number because it is at equal distance from previous prime (42238393) and next prime (42238439).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 39471 + ... + 40526.

Almost surely, 242238416 is an apocalyptic number.

It is an amenable number.

42238416 is an abundant number, since it is smaller than the sum of its proper divisors (76798608).

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

42238416 is a wasteful number, since it uses less digits than its factorization.

42238416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80019 (or 80013 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 42238416 is about 6499.1088619902. The cubic root of 42238416 is about 348.2591542987.

The spelling of 42238416 in words is "forty-two million, two hundred thirty-eight thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 79997 159994 239991 319988 479982 639976 879967 959964 1279952 1759934 1919928 2639901 3519868 3839856 5279802 7039736 10559604 14079472 21119208 42238416