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4920978432 = 210323257271
BaseRepresentation
bin1001001010101000…
…00010110000000000
3110200221200121100110
410211110002300000
540034232302212
62132145351320
7232642424616
oct44524026000
913627617313
104920978432
1120a5844a27
12b54038540
13605681976
143497b16b6
151dc047a3c
hex125502c00

4920978432 has 176 divisors, whose sum is σ = 13790426112. Its totient is φ = 1557135360.

The previous prime is 4920978431. The next prime is 4920978467. The reversal of 4920978432 is 2348790294.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (4920978431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18158457 + ... + 18158727.

Almost surely, 24920978432 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 4920978432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6895213056).

4920978432 is an abundant number, since it is smaller than the sum of its proper divisors (8869447680).

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

4920978432 is a wasteful number, since it uses less digits than its factorization.

4920978432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 4920978432 is about 70149.6859009361. The cubic root of 4920978432 is about 1700.9197366843.

The spelling of 4920978432 in words is "four billion, nine hundred twenty million, nine hundred seventy-eight thousand, four hundred thirty-two".