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3438457 = 112157181
BaseRepresentation
bin1101000111011101111001
320110200200021
431013131321
51340012312
6201410441
741140441
oct15073571
96420607
103438457
111a39400
121199a21
139350b9
14657121
1547dc07
hex347779

3438457 has 12 divisors (see below), whose sum is σ = 3824548. Its totient is φ = 3088800.

The previous prime is 3438451. The next prime is 3438469. The reversal of 3438457 is 7548343.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 379456 + 3059001 = 616^2 + 1749^2 .

It is not a de Polignac number, because 3438457 - 211 = 3436409 is a prime.

It is a Duffinian number.

Its product of digits (40320) is a multiple of the sum of its prime factors (360).

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (3438451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18907 + ... + 19087.

Almost surely, 23438457 is an apocalyptic number.

It is an amenable number.

3438457 is a deficient number, since it is larger than the sum of its proper divisors (386091).

3438457 is a wasteful number, since it uses less digits than its factorization.

3438457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 349 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 3438457 is about 1854.3076875211. The cubic root of 3438457 is about 150.9342725214.

The spelling of 3438457 in words is "three million, four hundred thirty-eight thousand, four hundred fifty-seven".

Divisors: 1 11 121 157 181 1727 1991 18997 21901 28417 312587 3438457