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8358042420 = 22325713617827
BaseRepresentation
bin1111100100010110…
…11001101100110100
3210120111010112202200
413302023121230310
5114104124324140
63501205504500
7414056121420
oct76213315464
923514115680
108358042420
1135a9995a82
121753112130
13a32783b40
14594069b80
1533db72030
hex1f22d9b34

8358042420 has 288 divisors, whose sum is σ = 31291723008. Its totient is φ = 1758468096.

The previous prime is 8358042409. The next prime is 8358042437. The reversal of 8358042420 is 242408538.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10106047 + ... + 10106873.

It is an arithmetic number, because the mean of its divisors is an integer number (108651816).

Almost surely, 28358042420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8358042420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15645861504).

8358042420 is an abundant number, since it is smaller than the sum of its proper divisors (22933680588).

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

8358042420 is a wasteful number, since it uses less digits than its factorization.

8358042420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479 (or 1474 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 8358042420 is about 91422.3299856222. The cubic root of 8358042420 is about 2029.4024967055.

The spelling of 8358042420 in words is "eight billion, three hundred fifty-eight million, forty-two thousand, four hundred twenty".