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50408490 = 23511152753
BaseRepresentation
bin1100000001001…
…0110000101010
310111212000110010
43000102300222
5100401032430
65000232350
71151315346
oct300226052
9114760403
1050408490
11264aa710
1214a6b6b6
13a59c312
1469a2626
15465acb0
hex3012c2a

50408490 has 32 divisors (see below), whose sum is σ = 131979456. Its totient is φ = 12220160.

The previous prime is 50408483. The next prime is 50408497. The reversal of 50408490 is 9480405.

It is an interprime number because it is at equal distance from previous prime (50408483) and next prime (50408497).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (50408497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76047 + ... + 76706.

It is an arithmetic number, because the mean of its divisors is an integer number (4124358).

Almost surely, 250408490 is an apocalyptic number.

50408490 is an abundant number, since it is smaller than the sum of its proper divisors (81570966).

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

50408490 is a wasteful number, since it uses less digits than its factorization.

50408490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152774.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 50408490 is about 7099.8936611755. The cubic root of 50408490 is about 369.4036900709.

Adding to 50408490 its reverse (9480405), we get a palindrome (59888895).

It can be divided in two parts, 5040 and 8490, that added together give a triangular number (13530 = T164).

The spelling of 50408490 in words is "fifty million, four hundred eight thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 152753 305506 458259 763765 916518 1527530 1680283 2291295 3360566 4582590 5040849 8401415 10081698 16802830 25204245 50408490