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2947242 = 2319103251
BaseRepresentation
bin1011001111100010101010
312112201212010
423033202222
51223302432
6143100350
734023354
oct13174252
95481763
102947242
111733341
12ba16b6
137c263c
1456a0d4
153d33cc
hex2cf8aa

2947242 has 32 divisors (see below), whose sum is σ = 6289920. Its totient is φ = 918000.

The previous prime is 2947213. The next prime is 2947249. The reversal of 2947242 is 2427492.

It is not an unprimeable number, because it can be changed into a prime (2947249) 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, 11617 + ... + 11867.

It is an arithmetic number, because the mean of its divisors is an integer number (196560).

22947242 is an apocalyptic number.

2947242 is an abundant number, since it is smaller than the sum of its proper divisors (3342678).

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

2947242 is a wasteful number, since it uses less digits than its factorization.

2947242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378.

The product of its digits is 8064, while the sum is 30.

The square root of 2947242 is about 1716.7533311457. The cubic root of 2947242 is about 143.3745053288.

The spelling of 2947242 in words is "two million, nine hundred forty-seven thousand, two hundred forty-two".

Divisors: 1 2 3 6 19 38 57 103 114 206 251 309 502 618 753 1506 1957 3914 4769 5871 9538 11742 14307 25853 28614 51706 77559 155118 491207 982414 1473621 2947242