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2471749542 = 232137319419
BaseRepresentation
bin1001001101010011…
…1110011110100110
320101021000212221100
42103110332132212
520030231441132
61045134100530
7115152344613
oct22324763646
96337025840
102471749542
111059269019
1258b94a746
1330511a8c2
141963b950a
15e6eea37c
hex9353e7a6

2471749542 has 12 divisors (see below), whose sum is σ = 5355457380. Its totient is φ = 823916508.

The previous prime is 2471749531. The next prime is 2471749543. The reversal of 2471749542 is 2459471742.

It is a super-2 number, since 2×24717495422 = 12219091596754419528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2471749543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68659692 + ... + 68659727.

It is an arithmetic number, because the mean of its divisors is an integer number (446288115).

Almost surely, 22471749542 is an apocalyptic number.

2471749542 is an abundant number, since it is smaller than the sum of its proper divisors (2883707838).

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

2471749542 is a wasteful number, since it uses less digits than its factorization.

2471749542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137319427 (or 137319424 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 2471749542 is about 49716.6927902490. The cubic root of 2471749542 is about 1352.0771940303.

The spelling of 2471749542 in words is "two billion, four hundred seventy-one million, seven hundred forty-nine thousand, five hundred forty-two".

Divisors: 1 2 3 6 9 18 137319419 274638838 411958257 823916514 1235874771 2471749542