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253919400 = 23352760457
BaseRepresentation
bin11110010001010…
…00000010101000
3122200210102221020
433020220002220
51010000410100
641110212440
76202164540
oct1710500250
9580712836
10253919400
11120370449
1271054120
13407b5687
1425a1a320
151745a5a0
hexf2280a8

253919400 has 96 divisors (see below), whose sum is σ = 899615040. Its totient is φ = 58037760.

The previous prime is 253919387. The next prime is 253919417. The reversal of 253919400 is 4919352.

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, 26029 + ... + 34428.

It is an arithmetic number, because the mean of its divisors is an integer number (9370990).

Almost surely, 2253919400 is an apocalyptic number.

253919400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253919400 is an abundant number, since it is smaller than the sum of its proper divisors (645695640).

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

253919400 is a wasteful number, since it uses less digits than its factorization.

253919400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60483 (or 60474 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 253919400 is about 15934.8486029833. The cubic root of 253919400 is about 633.2355589291.

The spelling of 253919400 in words is "two hundred fifty-three million, nine hundred nineteen thousand, four hundred".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 25 28 30 35 40 42 50 56 60 70 75 84 100 105 120 140 150 168 175 200 210 280 300 350 420 525 600 700 840 1050 1400 2100 4200 60457 120914 181371 241828 302285 362742 423199 483656 604570 725484 846398 906855 1209140 1269597 1450968 1511425 1692796 1813710 2115995 2418280 2539194 3022850 3385592 3627420 4231990 4534275 5078388 6045700 6347985 7254840 8463980 9068550 10156776 10579975 12091400 12695970 16927960 18137100 21159950 25391940 31739925 36274200 42319900 50783880 63479850 84639800 126959700 253919400