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2231423044 = 22557855761
BaseRepresentation
bin1000010100000000…
…1101000001000100
312202111211000221221
42011000031001010
514032221014134
61005231050124
7106203532354
oct20500150104
95674730857
102231423044
11a45642184
12523370944
132973b4286
141724dab64
15d0d775b4
hex8500d044

2231423044 has 6 divisors (see below), whose sum is σ = 3904990334. Its totient is φ = 1115711520.

The previous prime is 2231422987. The next prime is 2231423071. The reversal of 2231423044 is 4403241322.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2014214400 + 217208644 = 44880^2 + 14738^2 .

It is a super-3 number, since 3×22314230443 (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278927877 + ... + 278927884.

Almost surely, 22231423044 is an apocalyptic number.

It is an amenable number.

2231423044 is a deficient number, since it is larger than the sum of its proper divisors (1673567290).

2231423044 is a wasteful number, since it uses less digits than its factorization.

2231423044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557855765 (or 557855763 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2231423044 is about 47237.9407256498. The cubic root of 2231423044 is about 1306.7544004618.

Adding to 2231423044 its reverse (4403241322), we get a palindrome (6634664366).

The spelling of 2231423044 in words is "two billion, two hundred thirty-one million, four hundred twenty-three thousand, forty-four".

Divisors: 1 2 4 557855761 1115711522 2231423044