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4745091 = 313172421
BaseRepresentation
bin10010000110011110000011
322221002001010
4102012132003
52203320331
6245412003
755222041
oct22063603
98832033
104745091
11275106a
12170a003
13ca1a60
148b7391
1563ae46
hex486783

4745091 has 24 divisors (see below), whose sum is σ = 7255024. Its totient is φ = 2741760.

The previous prime is 4745089. The next prime is 4745099. The reversal of 4745091 is 1905474.

It is a happy number.

It is not a de Polignac number, because 4745091 - 21 = 4745089 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4745099) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11061 + ... + 11481.

Almost surely, 24745091 is an apocalyptic number.

4745091 is a deficient number, since it is larger than the sum of its proper divisors (2509933).

4745091 is a wasteful number, since it uses less digits than its factorization.

4745091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 4745091 is about 2178.3229788073. The cubic root of 4745091 is about 168.0408418277.

It can be divided in two parts, 474 and 5091, that added together give a triangular number (5565 = T105).

The spelling of 4745091 in words is "four million, seven hundred forty-five thousand, ninety-one".

Divisors: 1 3 13 17 39 51 221 289 421 663 867 1263 3757 5473 7157 11271 16419 21471 93041 121669 279123 365007 1581697 4745091