Search a number
-
+
38934330 = 2354753521
BaseRepresentation
bin1001010010000…
…1011100111010
32201021001212020
42110201130322
534431344310
63510255310
7651636111
oct224413472
981231766
1038934330
111aa82a36
1211057536
1380b2786
145256c78
153641170
hex252173a

38934330 has 64 divisors (see below), whose sum is σ = 97417728. Its totient is φ = 9950720.

The previous prime is 38934319. The next prime is 38934347. The reversal of 38934330 is 3343983.

It is a junction number, because it is equal to n+sod(n) for n = 38934291 and 38934300.

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, 74470 + ... + 74990.

It is an arithmetic number, because the mean of its divisors is an integer number (1522152).

Almost surely, 238934330 is an apocalyptic number.

38934330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 38934330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48708864).

38934330 is an abundant number, since it is smaller than the sum of its proper divisors (58483398).

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

38934330 is a wasteful number, since it uses less digits than its factorization.

38934330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631.

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 38934330 is about 6239.7379752679. The cubic root of 38934330 is about 338.9306947540.

The spelling of 38934330 in words is "thirty-eight million, nine hundred thirty-four thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 47 53 94 106 141 159 235 265 282 318 470 521 530 705 795 1042 1410 1563 1590 2491 2605 3126 4982 5210 7473 7815 12455 14946 15630 24487 24910 27613 37365 48974 55226 73461 74730 82839 122435 138065 146922 165678 244870 276130 367305 414195 734610 828390 1297811 2595622 3893433 6489055 7786866 12978110 19467165 38934330