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424970400 = 253521131567
BaseRepresentation
bin11001010101001…
…000100010100000
31002121122201210110
4121111020202200
51332243023100
6110100331320
713350121521
oct3125104240
91077581713
10424970400
111a8980608
12ba3a3b40
136a07519a
1440624848
1527497250
hex195488a0

424970400 has 144 divisors (see below), whose sum is σ = 1396410624. Its totient is φ = 112250880.

The previous prime is 424970393. The next prime is 424970401. The reversal of 424970400 is 4079424.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (424970401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 270417 + ... + 271983.

It is an arithmetic number, because the mean of its divisors is an integer number (9697296).

Almost surely, 2424970400 is an apocalyptic number.

424970400 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 424970400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (698205312).

424970400 is an abundant number, since it is smaller than the sum of its proper divisors (971440224).

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

424970400 is a wasteful number, since it uses less digits than its factorization.

424970400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703 (or 1690 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 424970400 is about 20614.8102101378. The cubic root of 424970400 is about 751.8298430463.

The spelling of 424970400 in words is "four hundred twenty-four million, nine hundred seventy thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 113 120 150 160 200 226 240 300 339 400 452 480 565 600 678 800 904 1130 1200 1356 1567 1695 1808 2260 2400 2712 2825 3134 3390 3616 4520 4701 5424 5650 6268 6780 7835 8475 9040 9402 10848 11300 12536 13560 15670 16950 18080 18804 22600 23505 25072 27120 31340 33900 37608 39175 45200 47010 50144 54240 62680 67800 75216 78350 90400 94020 117525 125360 135600 150432 156700 177071 188040 235050 250720 271200 313400 354142 376080 470100 531213 626800 708284 752160 885355 940200 1062426 1253600 1416568 1770710 1880400 2124852 2656065 2833136 3541420 3760800 4249704 4426775 5312130 5666272 7082840 8499408 8853550 10624260 13280325 14165680 16998816 17707100 21248520 26560650 28331360 35414200 42497040 53121300 70828400 84994080 106242600 141656800 212485200 424970400