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4238523685 = 511475330937
BaseRepresentation
bin1111110010100010…
…1011110100100101
3101221101112022102201
43330220223310211
532140030224220
61540330134501
7210014566624
oct37450536445
911841468381
104238523685
111885599640
129a3581431
135271765a6
142c2cc36bb
1519c18dd0a
hexfca2bd25

4238523685 has 32 divisors (see below), whose sum is σ = 5773773312. Its totient is φ = 2959956480.

The previous prime is 4238523677. The next prime is 4238523713. The reversal of 4238523685 is 5863258324.

It is not a de Polignac number, because 4238523685 - 23 = 4238523677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121537 + ... + 152473.

It is an arithmetic number, because the mean of its divisors is an integer number (180430416).

Almost surely, 24238523685 is an apocalyptic number.

It is an amenable number.

4238523685 is a deficient number, since it is larger than the sum of its proper divisors (1535249627).

4238523685 is a wasteful number, since it uses less digits than its factorization.

4238523685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31053.

The product of its digits is 1382400, while the sum is 46.

The square root of 4238523685 is about 65103.9452337568. The cubic root of 4238523685 is about 1618.3465939500.

The spelling of 4238523685 in words is "four billion, two hundred thirty-eight million, five hundred twenty-three thousand, six hundred eighty-five".

Divisors: 1 5 11 47 53 55 235 265 517 583 2491 2585 2915 12455 27401 30937 137005 154685 340307 1454039 1639661 1701535 7270195 8198305 15994429 18036271 77064067 79972145 90181355 385320335 847704737 4238523685