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427436290 = 25173247073
BaseRepresentation
bin11001011110100…
…010100100000010
31002210022000100201
4121132202210002
51333410430130
6110225235414
713410101641
oct3136424402
91083260321
10427436290
111aa305236
12bb192b6a
136a7296a8
1440aa7358
15277d2bca
hex197a2902

427436290 has 16 divisors (see below), whose sum is σ = 773835768. Its totient is φ = 169985536.

The previous prime is 427436263. The next prime is 427436291. The reversal of 427436290 is 92634724.

It can be written as a sum of positive squares in 4 ways, for example, as 417507489 + 9928801 = 20433^2 + 3151^2 .

It is not an unprimeable number, because it can be changed into a prime (427436291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121807 + ... + 125266.

Almost surely, 2427436290 is an apocalyptic number.

427436290 is a deficient number, since it is larger than the sum of its proper divisors (346399478).

427436290 is a wasteful number, since it uses less digits than its factorization.

427436290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247253.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 427436290 is about 20674.5324010000. The cubic root of 427436290 is about 753.2812032653.

The spelling of 427436290 in words is "four hundred twenty-seven million, four hundred thirty-six thousand, two hundred ninety".

Divisors: 1 2 5 10 173 346 865 1730 247073 494146 1235365 2470730 42743629 85487258 213718145 427436290