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427372960 = 25571632341
BaseRepresentation
bin11001011110010…
…011000110100000
31002210011210111011
4121132103012200
51333401413320
6110224030304
713406416210
oct3136230640
91083153434
10427372960
111aa2716a3
12bb162394
136a706911
1440a8c240
15277be05a
hex197931a0

427372960 has 96 divisors (see below), whose sum is σ = 1161482112. Its totient is φ = 145566720.

The previous prime is 427372951. The next prime is 427372963. The reversal of 427372960 is 69273724.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (427372963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181390 + ... + 183730.

It is an arithmetic number, because the mean of its divisors is an integer number (12098772).

Almost surely, 2427372960 is an apocalyptic number.

427372960 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 427372960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (580741056).

427372960 is an abundant number, since it is smaller than the sum of its proper divisors (734109152).

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

427372960 is a wasteful number, since it uses less digits than its factorization.

427372960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526 (or 2518 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 427372960 is about 20673.0007497702. Note that the first 3 decimals coincide. The cubic root of 427372960 is about 753.2439987696.

The spelling of 427372960 in words is "four hundred twenty-seven million, three hundred seventy-two thousand, nine hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 163 224 280 326 560 652 815 1120 1141 1304 1630 2282 2341 2608 3260 4564 4682 5216 5705 6520 9128 9364 11410 11705 13040 16387 18256 18728 22820 23410 26080 32774 36512 37456 45640 46820 65548 74912 81935 91280 93640 131096 163870 182560 187280 262192 327740 374560 381583 524384 655480 763166 1310960 1526332 1907915 2621920 2671081 3052664 3815830 5342162 6105328 7631660 10684324 12210656 13355405 15263320 21368648 26710810 30526640 42737296 53421620 61053280 85474592 106843240 213686480 427372960