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242602400 = 25522910457
BaseRepresentation
bin11100111010111…
…01000110100000
3121220111110221002
432131131012200
5444101234100
640023451132
76004041425
oct1635350640
9556443832
10242602400
11114a40857
12692b6aa8
133b352521
1424311d4c
15164722d5
hexe75d1a0

242602400 has 72 divisors (see below), whose sum is σ = 612734220. Its totient is φ = 93685760.

The previous prime is 242602387. The next prime is 242602411. The reversal of 242602400 is 4206242.

242602400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 146797456 + 95804944 = 12116^2 + 9788^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17972 + ... + 28428.

Almost surely, 2242602400 is an apocalyptic number.

242602400 is a gapful number since it is divisible by the number (20) 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 242602400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306367110).

242602400 is an abundant number, since it is smaller than the sum of its proper divisors (370131820).

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

242602400 is a wasteful number, since it uses less digits than its factorization.

242602400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10506 (or 10493 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 242602400 is about 15575.6990212318. The cubic root of 242602400 is about 623.6846148947.

Adding to 242602400 its reverse (4206242), we get a palindrome (246808642).

The spelling of 242602400 in words is "two hundred forty-two million, six hundred two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 29 32 40 50 58 80 100 116 145 160 200 232 290 400 464 580 725 800 928 1160 1450 2320 2900 4640 5800 10457 11600 20914 23200 41828 52285 83656 104570 167312 209140 261425 303253 334624 418280 522850 606506 836560 1045700 1213012 1516265 1673120 2091400 2426024 3032530 4182800 4852048 6065060 7581325 8365600 9704096 12130120 15162650 24260240 30325300 48520480 60650600 121301200 242602400