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4774820238 = 231113477
BaseRepresentation
bin1000111001001100…
…11111100110001110
3110022202200000000000
410130212133212032
534234323221423
62105444545130
7226216205466
oct43446374616
913282600000
104774820238
112030297131
12b130b21a6
135b12c9626
14334206ba6
151ce2c6843
hex11c99f98e

4774820238 has 48 divisors (see below), whose sum is σ = 10744122480. Its totient is φ = 1591488648.

The previous prime is 4774820231. The next prime is 4774820257. The reversal of 4774820238 is 8320284774.

It is a junction number, because it is equal to n+sod(n) for n = 4774820193 and 4774820202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4774820231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 347556 + ... + 361032.

It is an arithmetic number, because the mean of its divisors is an integer number (223835885).

Almost surely, 24774820238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4774820238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5372061240).

4774820238 is an abundant number, since it is smaller than the sum of its proper divisors (5969302242).

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

4774820238 is an frugal number, since it uses more digits than its factorization.

4774820238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13512 (or 13482 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 45.

The square root of 4774820238 is about 69100.0740810023. The cubic root of 4774820238 is about 1683.9105142087.

The spelling of 4774820238 in words is "four billion, seven hundred seventy-four million, eight hundred twenty thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 729 1458 2187 4374 6561 13122 13477 19683 26954 39366 40431 59049 80862 118098 121293 177147 242586 354294 363879 727758 1091637 2183274 3274911 6549822 9824733 19649466 29474199 58948398 88422597 176845194 265267791 530535582 795803373 1591606746 2387410119 4774820238