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382691420 = 225177183191
BaseRepresentation
bin10110110011110…
…110100001011100
3222200002201221022
4112303312201130
51240432111140
6101550223312
712324552266
oct2663664134
9880081838
10382691420
11187023801
12a81b4b38
1361391237
1438b7ab36
15238e50b5
hex16cf685c

382691420 has 96 divisors (see below), whose sum is σ = 877879296. Its totient is φ = 139596800.

The previous prime is 382691389. The next prime is 382691473. The reversal of 382691420 is 24196283.

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, 2003525 + ... + 2003715.

It is an arithmetic number, because the mean of its divisors is an integer number (9144576).

Almost surely, 2382691420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 382691420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (438939648).

382691420 is an abundant number, since it is smaller than the sum of its proper divisors (495187876).

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

382691420 is a wasteful number, since it uses less digits than its factorization.

382691420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 382691420 is about 19562.5003514377. The cubic root of 382691420 is about 726.0216559399.

The spelling of 382691420 in words is "three hundred eighty-two million, six hundred ninety-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 71 83 85 142 166 170 191 284 332 340 355 382 415 710 764 830 955 1207 1411 1420 1660 1910 2414 2822 3247 3820 4828 5644 5893 6035 6494 7055 11786 12070 12988 13561 14110 15853 16235 23572 24140 27122 28220 29465 31706 32470 54244 58930 63412 64940 67805 79265 100181 117860 135610 158530 200362 230537 269501 271220 317060 400724 461074 500905 539002 922148 1001810 1078004 1125563 1152685 1347505 2003620 2251126 2305370 2695010 4502252 4610740 5390020 5627815 11255630 19134571 22511260 38269142 76538284 95672855 191345710 382691420