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50290401 = 3731671153
BaseRepresentation
bin1011111111010…
…1111011100001
310111122000110110
42333311323201
5100333243101
64553521533
71150314150
oct277657341
9114560413
1050290401
1126429a17
1214a132a9
13a55a645
146971597
154635cd6
hex2ff5ee1

50290401 has 32 divisors (see below), whose sum is σ = 80355328. Its totient is φ = 27371520.

The previous prime is 50290381. The next prime is 50290417. The reversal of 50290401 is 10409205.

It is not a de Polignac number, because 50290401 - 26 = 50290337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50290421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43041 + ... + 44193.

It is an arithmetic number, because the mean of its divisors is an integer number (2511104).

Almost surely, 250290401 is an apocalyptic number.

It is an amenable number.

50290401 is a deficient number, since it is larger than the sum of its proper divisors (30064927).

50290401 is a wasteful number, since it uses less digits than its factorization.

50290401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 50290401 is about 7091.5725336487. The cubic root of 50290401 is about 369.1150044366.

Adding to 50290401 its reverse (10409205), we get a palindrome (60699606).

The spelling of 50290401 in words is "fifty million, two hundred ninety thousand, four hundred one".

Divisors: 1 3 7 21 31 67 93 201 217 469 651 1153 1407 2077 3459 6231 8071 14539 24213 35743 43617 77251 107229 231753 250201 540757 750603 1622271 2394781 7184343 16763467 50290401