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50138192 = 2413241049
BaseRepresentation
bin1011111101000…
…0110001010000
310111100021200002
42333100301100
5100313410232
64550345132
71146111326
oct277206120
9114307602
1050138192
1126335625
121495b1a8
13a506290
146931d16
154605b62
hex2fd0c50

50138192 has 20 divisors (see below), whose sum is σ = 104615700. Its totient is φ = 23140608.

The previous prime is 50138189. The next prime is 50138197. The reversal of 50138192 is 29183105.

It can be written as a sum of positive squares in 2 ways, for example, as 3297856 + 46840336 = 1816^2 + 6844^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50138197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120317 + ... + 120732.

It is an arithmetic number, because the mean of its divisors is an integer number (5230785).

Almost surely, 250138192 is an apocalyptic number.

50138192 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

50138192 is an abundant number, since it is smaller than the sum of its proper divisors (54477508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50138192 is a wasteful number, since it uses less digits than its factorization.

50138192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241070 (or 241064 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 50138192 is about 7080.8327193911. The cubic root of 50138192 is about 368.7422401125.

The spelling of 50138192 in words is "fifty million, one hundred thirty-eight thousand, one hundred ninety-two".

Divisors: 1 2 4 8 13 16 26 52 104 208 241049 482098 964196 1928392 3133637 3856784 6267274 12534548 25069096 50138192