Search a number
-
+
1952625920 = 2857383569
BaseRepresentation
bin111010001100010…
…1011010100000000
312001002012200012112
41310120223110000
512444333012140
6521431314452
766250021640
oct16430532400
95032180175
101952625920
1191222a833
12465b1ba28
132516cb26b
14147486520
15b6655c65
hex7462b500

1952625920 has 144 divisors (see below), whose sum is σ = 5368688640. Its totient is φ = 666550272.

The previous prime is 1952625893. The next prime is 1952625949. The reversal of 1952625920 is 295262591.

It is a congruent number.

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, 3431396 + ... + 3431964.

It is an arithmetic number, because the mean of its divisors is an integer number (37282560).

Almost surely, 21952625920 is an apocalyptic number.

1952625920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1952625920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2684344320).

1952625920 is an abundant number, since it is smaller than the sum of its proper divisors (3416062720).

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

1952625920 is an equidigital number, since it uses as much as digits as its factorization.

1952625920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980 (or 966 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 1952625920 is about 44188.5270177679. The cubic root of 1952625920 is about 1249.8935205300.

The spelling of 1952625920 in words is "one billion, nine hundred fifty-two million, six hundred twenty-five thousand, nine hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 256 280 320 383 448 560 569 640 766 896 1120 1138 1280 1532 1792 1915 2240 2276 2681 2845 3064 3830 3983 4480 4552 5362 5690 6128 7660 7966 8960 9104 10724 11380 12256 13405 15320 15932 18208 19915 21448 22760 24512 26810 30640 31864 36416 39830 42896 45520 49024 53620 61280 63728 72832 79660 85792 91040 98048 107240 122560 127456 145664 159320 171584 182080 214480 217927 245120 254912 318640 343168 364160 428960 435854 490240 509824 637280 686336 728320 857920 871708 1019648 1089635 1274560 1525489 1715840 1743416 2179270 2549120 3050978 3431680 3486832 4358540 5098240 6101956 6973664 7627445 8717080 12203912 13947328 15254890 17434160 24407824 27894656 30509780 34868320 48815648 55789312 61019560 69736640 97631296 122039120 139473280 195262592 244078240 278946560 390525184 488156480 976312960 1952625920