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2423142440 = 23582373607
BaseRepresentation
bin1001000001101110…
…0011100000101000
320020212120101112022
42100123203200220
514430311024230
61040240204012
7114022241135
oct22033434050
96225511468
102423142440
111033889864
12577609608
132c802c4c4
1418db6558c
15e2ae81e5
hex906e3828

2423142440 has 32 divisors (see below), whose sum is σ = 5458769280. Its totient is φ = 968066112.

The previous prime is 2423142419. The next prime is 2423142443. The reversal of 2423142440 is 442413242.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2423142443) 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, 3884 + ... + 69723.

It is an arithmetic number, because the mean of its divisors is an integer number (170586540).

Almost surely, 22423142440 is an apocalyptic number.

2423142440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2423142440 is an abundant number, since it is smaller than the sum of its proper divisors (3035626840).

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

2423142440 is a wasteful number, since it uses less digits than its factorization.

2423142440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74441 (or 74437 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 2423142440 is about 49225.4247315348. The cubic root of 2423142440 is about 1343.1555615860.

Adding to 2423142440 its reverse (442413242), we get a palindrome (2865555682).

The spelling of 2423142440 in words is "two billion, four hundred twenty-three million, one hundred forty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 823 1646 3292 4115 6584 8230 16460 32920 73607 147214 294428 368035 588856 736070 1472140 2944280 60578561 121157122 242314244 302892805 484628488 605785610 1211571220 2423142440