Search a number
-
+
42715400 = 23527132347
BaseRepresentation
bin1010001011110…
…0100100001000
32222101011111212
42202330210020
541413343100
64123312252
71026034460
oct242744410
988334455
1042715400
1122125792
121237b688
138b077b0
14595cba0
153b3b635
hex28bc908

42715400 has 96 divisors (see below), whose sum is σ = 122283840. Its totient is φ = 13512960.

The previous prime is 42715397. The next prime is 42715411. The reversal of 42715400 is 451724.

It is a zygodrome in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17027 + ... + 19373.

It is an arithmetic number, because the mean of its divisors is an integer number (1273790).

Almost surely, 242715400 is an apocalyptic number.

42715400 is a gapful number since it is divisible by the number (40) 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 42715400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61141920).

42715400 is an abundant number, since it is smaller than the sum of its proper divisors (79568440).

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

42715400 is a wasteful number, since it uses less digits than its factorization.

42715400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383 (or 2374 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 42715400 is about 6535.7019515887. The cubic root of 42715400 is about 349.5651742997.

The spelling of 42715400 in words is "forty-two million, seven hundred fifteen thousand, four hundred".

Divisors: 1 2 4 5 7 8 10 13 14 20 25 26 28 35 40 50 52 56 65 70 91 100 104 130 140 175 182 200 260 280 325 350 364 455 520 650 700 728 910 1300 1400 1820 2275 2347 2600 3640 4550 4694 9100 9388 11735 16429 18200 18776 23470 30511 32858 46940 58675 61022 65716 82145 93880 117350 122044 131432 152555 164290 213577 234700 244088 305110 328580 410725 427154 469400 610220 657160 762775 821450 854308 1067885 1220440 1525550 1642900 1708616 2135770 3051100 3285800 4271540 5339425 6102200 8543080 10678850 21357700 42715400