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4742990 = 25767757
BaseRepresentation
bin10010000101111101001110
322220222011022
4102011331032
52203233430
6245354142
755212650
oct22057516
98828138
104742990
11274a52a
121708952
13ca0b05
148b66d0
1563a4e5
hex485f4e

4742990 has 16 divisors (see below), whose sum is σ = 9757152. Its totient is φ = 1626144.

The previous prime is 4742981. The next prime is 4743001. The reversal of 4742990 is 992474.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 4742990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33809 + ... + 33948.

It is an arithmetic number, because the mean of its divisors is an integer number (609822).

Almost surely, 24742990 is an apocalyptic number.

4742990 is an abundant number, since it is smaller than the sum of its proper divisors (5014162).

4742990 is a wasteful number, since it uses less digits than its factorization.

4742990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67771.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 4742990 is about 2177.8406736949. The cubic root of 4742990 is about 168.0160368289.

The spelling of 4742990 in words is "four million, seven hundred forty-two thousand, nine hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 67757 135514 338785 474299 677570 948598 2371495 4742990