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354407 = 1923811
BaseRepresentation
bin1010110100001100111
3200000011012
41112201213
542320112
611332435
73004154
oct1264147
9600135
10354407
112222a9
1215111b
13c5411
149322b
1570022
hex56867

354407 has 8 divisors (see below), whose sum is σ = 389760. Its totient is φ = 320760.

The previous prime is 354401. The next prime is 354421. The reversal of 354407 is 704453.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 354407 - 24 = 354391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354401) 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, 32 + ... + 842.

It is an arithmetic number, because the mean of its divisors is an integer number (48720).

2354407 is an apocalyptic number.

354407 is a deficient number, since it is larger than the sum of its proper divisors (35353).

354407 is a wasteful number, since it uses less digits than its factorization.

354407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 354407 is about 595.3209218564. The cubic root of 354407 is about 70.7675396753.

The spelling of 354407 in words is "three hundred fifty-four thousand, four hundred seven".

Divisors: 1 19 23 437 811 15409 18653 354407