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245742000 = 2435375851
BaseRepresentation
bin11101010010110…
…11100110110000
3122010101222122120
432221123212300
51000402221000
640215034240
76042525660
oct1651334660
9563358576
10245742000
11116795669
126a36b980
133bbb158a
14248cc1a0
15168926a0
hexea5b9b0

245742000 has 160 divisors (see below), whose sum is σ = 905608704. Its totient is φ = 56160000.

The previous prime is 245741957. The next prime is 245742019. The reversal of 245742000 is 247542.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 39075 + ... + 44925.

Almost surely, 2245742000 is an apocalyptic number.

245742000 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 245742000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (452804352).

245742000 is an abundant number, since it is smaller than the sum of its proper divisors (659866704).

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

245742000 is a wasteful number, since it uses less digits than its factorization.

245742000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5884 (or 5868 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 245742000 is about 15676.1602441414. The cubic root of 245742000 is about 626.3635297619.

Adding to 245742000 its reverse (247542), we get a palindrome (245989542).

The spelling of 245742000 in words is "two hundred forty-five million, seven hundred forty-two thousand".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 25 28 30 35 40 42 48 50 56 60 70 75 80 84 100 105 112 120 125 140 150 168 175 200 210 240 250 280 300 336 350 375 400 420 500 525 560 600 700 750 840 875 1000 1050 1200 1400 1500 1680 1750 2000 2100 2625 2800 3000 3500 4200 5250 5851 6000 7000 8400 10500 11702 14000 17553 21000 23404 29255 35106 40957 42000 46808 58510 70212 81914 87765 93616 117020 122871 140424 146275 163828 175530 204785 234040 245742 280848 292550 327656 351060 409570 438825 468080 491484 585100 614355 655312 702120 731375 819140 877650 982968 1023925 1170200 1228710 1404240 1462750 1638280 1755300 1965936 2047850 2194125 2340400 2457420 2925500 3071775 3276560 3510600 4095700 4388250 4914840 5119625 5851000 6143550 7021200 8191400 8776500 9829680 10239250 11702000 12287100 15358875 16382800 17553000 20478500 24574200 30717750 35106000 40957000 49148400 61435500 81914000 122871000 245742000