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38974080 = 273553383
BaseRepresentation
bin1001010010101…
…1001010000000
32201100002101110
42110223022000
534434132310
63511203320
7652163025
oct224531200
981302343
1038974080
111aaaa892
1211076540
1380c78b2
14526754c
15364cd20
hex252b280

38974080 has 128 divisors (see below), whose sum is σ = 126904320. Its totient is φ = 10170368.

The previous prime is 38974069. The next prime is 38974087. The reversal of 38974080 is 8047983.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38974087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101569 + ... + 101951.

It is an arithmetic number, because the mean of its divisors is an integer number (991440).

Almost surely, 238974080 is an apocalyptic number.

38974080 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 38974080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63452160).

38974080 is an abundant number, since it is smaller than the sum of its proper divisors (87930240).

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

38974080 is a wasteful number, since it uses less digits than its factorization.

38974080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 38974080 is about 6242.9223925979. The cubic root of 38974080 is about 339.0459992749.

The spelling of 38974080 in words is "thirty-eight million, nine hundred seventy-four thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 53 60 64 80 96 106 120 128 159 160 192 212 240 265 318 320 383 384 424 480 530 636 640 766 795 848 960 1060 1149 1272 1532 1590 1696 1915 1920 2120 2298 2544 3064 3180 3392 3830 4240 4596 5088 5745 6128 6360 6784 7660 8480 9192 10176 11490 12256 12720 15320 16960 18384 20299 20352 22980 24512 25440 30640 33920 36768 40598 45960 49024 50880 60897 61280 73536 81196 91920 101495 101760 121794 122560 147072 162392 183840 202990 243588 245120 304485 324784 367680 405980 487176 608970 649568 735360 811960 974352 1217940 1299136 1623920 1948704 2435880 2598272 3247840 3897408 4871760 6495680 7794816 9743520 12991360 19487040 38974080