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425155744 = 25132234583
BaseRepresentation
bin11001010101110…
…101110010100000
31002122000011001001
4121111311302200
51332314440434
6110104321344
713351523056
oct3125656240
91078004031
10425155744
111a8a97892
12ba473254
136a10b660
14406721d6
15274d2114
hex19575ca0

425155744 has 48 divisors (see below), whose sum is σ = 905651712. Its totient is φ = 195303168.

The previous prime is 425155733. The next prime is 425155777. The reversal of 425155744 is 447551524.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90477 + ... + 95059.

It is an arithmetic number, because the mean of its divisors is an integer number (18867744).

Almost surely, 2425155744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425155744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (452825856).

425155744 is an abundant number, since it is smaller than the sum of its proper divisors (480495968).

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

425155744 is a wasteful number, since it uses less digits than its factorization.

425155744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4829 (or 4821 counting only the distinct ones).

The product of its digits is 112000, while the sum is 37.

The square root of 425155744 is about 20619.3051289320. The cubic root of 425155744 is about 751.9391266554.

It can be divided in two parts, 4251 and 55744, that added together give a palindrome (59995).

The spelling of 425155744 in words is "four hundred twenty-five million, one hundred fifty-five thousand, seven hundred forty-four".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 223 416 446 892 1784 2899 3568 4583 5798 7136 9166 11596 18332 23192 36664 46384 59579 73328 92768 119158 146656 238316 476632 953264 1022009 1906528 2044018 4088036 8176072 13286117 16352144 26572234 32704288 53144468 106288936 212577872 425155744