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4990142406 = 231943773179
BaseRepresentation
bin1001010010110111…
…11000011111000110
3110212202211111111010
410221123320133012
540204434024111
62143100023050
7234442340064
oct45133703706
913782744433
104990142406
112130894937
12b73231a86
13616ab9ab2
14354a57034
151e315aaa6
hex1296f87c6

4990142406 has 16 divisors (see below), whose sum is σ = 10505563200. Its totient is φ = 1575834408.

The previous prime is 4990142401. The next prime is 4990142419. The reversal of 4990142406 is 6042410994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4990142401) 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, 21886476 + ... + 21886703.

It is an arithmetic number, because the mean of its divisors is an integer number (656597700).

Almost surely, 24990142406 is an apocalyptic number.

4990142406 is an abundant number, since it is smaller than the sum of its proper divisors (5515420794).

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

4990142406 is a wasteful number, since it uses less digits than its factorization.

4990142406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43773203.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 4990142406 is about 70640.9400135644. The cubic root of 4990142406 is about 1708.8514574599.

The spelling of 4990142406 in words is "four billion, nine hundred ninety million, one hundred forty-two thousand, four hundred six".

Divisors: 1 2 3 6 19 38 57 114 43773179 87546358 131319537 262639074 831690401 1663380802 2495071203 4990142406