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4062990 = 235135433
BaseRepresentation
bin1111011111111100001110
321122102101010
433133330032
52020003430
6223030050
746351311
oct17377416
97572333
104062990
112325648
12143b326
13ac3449
1477a978
15553cb0
hex3dff0e

4062990 has 16 divisors (see below), whose sum is σ = 9751248. Its totient is φ = 1083456.

The previous prime is 4062967. The next prime is 4062991. The reversal of 4062990 is 992604.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 135433 = 4062990 / (4 + 0 + 6 + 2 + 9 + 9 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4062991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67687 + ... + 67746.

It is an arithmetic number, because the mean of its divisors is an integer number (609453).

Almost surely, 24062990 is an apocalyptic number.

4062990 is an abundant number, since it is smaller than the sum of its proper divisors (5688258).

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

4062990 is a wasteful number, since it uses less digits than its factorization.

4062990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135443.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 4062990 is about 2015.6859874494. The cubic root of 4062990 is about 159.5690224487.

The spelling of 4062990 in words is "four million, sixty-two thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 135433 270866 406299 677165 812598 1354330 2031495 4062990