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1057401 = 3339163
BaseRepresentation
bin100000010001001111001
31222201111000
410002021321
5232314101
634355213
711662542
oct4021171
91881430
101057401
11662494
1242bb09
132b03a7
141d74c9
1515d486
hex102279

1057401 has 8 divisors (see below), whose sum is σ = 1566560. Its totient is φ = 704916.

The previous prime is 1057393. The next prime is 1057411. The reversal of 1057401 is 1047501.

It is not a de Polignac number, because 1057401 - 23 = 1057393 is a prime.

It is a super-2 number, since 2×10574012 = 2236193749602, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1057411) 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, 19555 + ... + 19608.

It is an arithmetic number, because the mean of its divisors is an integer number (195820).

21057401 is an apocalyptic number.

It is an amenable number.

1057401 is a deficient number, since it is larger than the sum of its proper divisors (509159).

1057401 is an equidigital number, since it uses as much as digits as its factorization.

1057401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39172 (or 39166 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 1057401 is about 1028.3000534863. The cubic root of 1057401 is about 101.8778815349.

The spelling of 1057401 in words is "one million, fifty-seven thousand, four hundred one".

Divisors: 1 3 9 27 39163 117489 352467 1057401