Search a number
-
+
7924916484 = 22323724012
BaseRepresentation
bin1110110000101110…
…01010000100000100
3202110022010110200100
413120113022010010
5112212234311414
63350214244100
7400246451532
oct73027120404
922408113610
107924916484
1133a7455061
121652056630
13993b147c4
14552721152
15315b18609
hex1d85ca104

7924916484 has 81 divisors (see below), whose sum is σ = 20639948511. Its totient is φ = 2563833600.

The previous prime is 7924916479. The next prime is 7924916497. The reversal of 7924916484 is 4846194297.

The square root of 7924916484 is 89022.

It is a perfect power (a square), and thus also a powerful number.

7924916484 is a `hidden beast` number, since 7 + 92 + 491 + 64 + 8 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6546428100 + 1378488384 = 80910^2 + 37128^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7924916484.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 19762684 + ... + 19763084.

Almost surely, 27924916484 is an apocalyptic number.

7924916484 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

7924916484 is the 89022-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7924916484

7924916484 is an abundant number, since it is smaller than the sum of its proper divisors (12715032027).

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

7924916484 is a wasteful number, since it uses less digits than its factorization.

7924916484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886 (or 443 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The cubic root of 7924916484 is about 1993.7233628527.

The spelling of 7924916484 in words is "seven billion, nine hundred twenty-four million, nine hundred sixteen thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 36 37 74 111 148 222 333 401 444 666 802 1203 1332 1369 1604 2406 2738 3609 4107 4812 5476 7218 8214 12321 14436 14837 16428 24642 29674 44511 49284 59348 89022 133533 160801 178044 267066 321602 482403 534132 548969 643204 964806 1097938 1447209 1646907 1929612 2195876 2894418 3293814 4940721 5788836 5949637 6587628 9881442 11899274 17848911 19762884 23798548 35697822 53546733 71395644 107093466 214186932 220136569 440273138 660409707 880546276 1320819414 1981229121 2641638828 3962458242 7924916484