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425132120 = 23571518329
BaseRepresentation
bin11001010101110…
…000000001011000
31002121221221122002
4121111300001120
51332313211440
6110104020132
713351364150
oct3125600130
91077857562
10425132120
111a8a81066
12ba461648
136a10098a
1440667760
15274ca115
hex19570058

425132120 has 32 divisors (see below), whose sum is σ = 1093197600. Its totient is φ = 145759488.

The previous prime is 425132117. The next prime is 425132131. The reversal of 425132120 is 21231524.

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

It is a junction number, because it is equal to n+sod(n) for n = 425132092 and 425132101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 758885 + ... + 759444.

It is an arithmetic number, because the mean of its divisors is an integer number (34162425).

Almost surely, 2425132120 is an apocalyptic number.

425132120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425132120 is an abundant number, since it is smaller than the sum of its proper divisors (668065480).

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

425132120 is a wasteful number, since it uses less digits than its factorization.

425132120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518347 (or 1518343 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 425132120 is about 20618.7322597681. The cubic root of 425132120 is about 751.9251991013.

Adding to 425132120 its reverse (21231524), we get a palindrome (446363644).

The spelling of 425132120 in words is "four hundred twenty-five million, one hundred thirty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 1518329 3036658 6073316 7591645 10628303 12146632 15183290 21256606 30366580 42513212 53141515 60733160 85026424 106283030 212566060 425132120