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427626724 = 22725573917
BaseRepresentation
bin11001011111010…
…001000011100100
31002210122200120211
4121133101003210
51333433023344
6110233305204
713411524100
oct3137210344
91083580524
10427626724
111aa425318
12bb265204
136a795285
1440b16900
152781e334
hex197d10e4

427626724 has 36 divisors (see below), whose sum is σ = 872311356. Its totient is φ = 182892864.

The previous prime is 427626697. The next prime is 427626733.

427626724 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 181764324 + 245862400 = 13482^2 + 15680^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107214 + ... + 111130.

It is an arithmetic number, because the mean of its divisors is an integer number (24230871).

Almost surely, 2427626724 is an apocalyptic number.

It is an amenable number.

427626724 is an abundant number, since it is smaller than the sum of its proper divisors (444684632).

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

427626724 is a wasteful number, since it uses less digits than its factorization.

427626724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4492 (or 4483 counting only the distinct ones).

The product of its digits is 225792, while the sum is 40.

The square root of 427626724 is about 20679.1374094762. The cubic root of 427626724 is about 753.3930554544.

The spelling of 427626724 in words is "four hundred twenty-seven million, six hundred twenty-six thousand, seven hundred twenty-four".

Divisors: 1 2 4 7 14 28 49 98 196 557 1114 2228 3899 3917 7798 7834 15596 15668 27293 27419 54586 54838 109172 109676 191933 383866 767732 2181769 4363538 8727076 15272383 30544766 61089532 106906681 213813362 427626724