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3925054380 = 22351312739623
BaseRepresentation
bin1110100111110011…
…1001001110101100
3101010112200102101110
43221330321032230
531014303220010
61445251312020
7166160261142
oct35174711654
911115612343
103925054380
1117346554a5
129165ab610
134a7240ab0
14293405592
1517e8be120
hexe9f393ac

3925054380 has 96 divisors (see below), whose sum is σ = 11929042944. Its totient is φ = 958535424.

The previous prime is 3925054373. The next prime is 3925054381. The reversal of 3925054380 is 834505293.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (3925054381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79249 + ... + 118871.

It is an arithmetic number, because the mean of its divisors is an integer number (124260864).

Almost surely, 23925054380 is an apocalyptic number.

3925054380 is a gapful number since it is divisible by the number (30) 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 3925054380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5964521472).

3925054380 is an abundant number, since it is smaller than the sum of its proper divisors (8003988564).

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

3925054380 is a wasteful number, since it uses less digits than its factorization.

3925054380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39775 (or 39773 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 3925054380 is about 62650.2544288529. The cubic root of 3925054380 is about 1577.4244183253.

The spelling of 3925054380 in words is "three billion, nine hundred twenty-five million, fifty-four thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 127 130 156 195 254 260 381 390 508 635 762 780 1270 1524 1651 1905 2540 3302 3810 4953 6604 7620 8255 9906 16510 19812 24765 33020 39623 49530 79246 99060 118869 158492 198115 237738 396230 475476 515099 594345 792460 1030198 1188690 1545297 2060396 2377380 2575495 3090594 5032121 5150990 6181188 7726485 10064242 10301980 15096363 15452970 20128484 25160605 30192726 30905940 50321210 60385452 65417573 75481815 100642420 130835146 150963630 196252719 261670292 301927260 327087865 392505438 654175730 785010876 981263595 1308351460 1962527190 3925054380