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5190642 = 2341792
BaseRepresentation
bin10011110011001111110010
3100202201020000
4103303033302
52312100032
6303130430
762056032
oct23631762
910681200
105190642
112a25896
1218a3a16
1310c97b2
149918c2
156c7e7c
hex4f33f2

5190642 has 30 divisors (see below), whose sum is σ = 11696223. Its totient is φ = 1720548.

The previous prime is 5190637. The next prime is 5190649. The reversal of 5190642 is 2460915.

5190642 is a `hidden beast` number, since 5 + 19 + 0 + 642 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2595321 + 2595321 = 1611^2 + 1611^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=1611.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5190649) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 28909 + ... + 29087.

Almost surely, 25190642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5190642

5190642 is an abundant number, since it is smaller than the sum of its proper divisors (6505581).

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

5190642 is an equidigital number, since it uses as much as digits as its factorization.

5190642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 5190642 is about 2278.2980489831. The cubic root of 5190642 is about 173.1438321818.

It can be divided in two parts, 5190 and 642, that added together give a cube (5832 = 183).

The spelling of 5190642 in words is "five million, one hundred ninety thousand, six hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 179 358 537 1074 1611 3222 4833 9666 14499 28998 32041 64082 96123 192246 288369 576738 865107 1730214 2595321 5190642