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354080 = 2552213
BaseRepresentation
bin1010110011100100000
3122222201002
41112130200
542312310
611331132
73003206
oct1263440
9588632
10354080
11222031
12150aa8
13c521c
1493076
156eda5
hex56720

354080 has 24 divisors (see below), whose sum is σ = 836892. Its totient is φ = 141568.

The previous prime is 354073. The next prime is 354091. The reversal of 354080 is 80453.

It can be written as a sum of positive squares in 2 ways, for example, as 327184 + 26896 = 572^2 + 164^2 .

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

It is an unprimeable number.

354080 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 947 + ... + 1266.

2354080 is an apocalyptic number.

It is an amenable number.

354080 is an abundant number, since it is smaller than the sum of its proper divisors (482812).

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

354080 is a wasteful number, since it uses less digits than its factorization.

354080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228 (or 2220 counting only the distinct ones).

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

The square root of 354080 is about 595.0462166925. The cubic root of 354080 is about 70.7457679964.

The spelling of 354080 in words is "three hundred fifty-four thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 2213 4426 8852 11065 17704 22130 35408 44260 70816 88520 177040 354080