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60421920 = 25351323421
BaseRepresentation
bin1110011001111…
…1011100100000
311012200202021220
43212133130200
5110432000140
65555015040
71332402126
oct346373440
9135622256
1060421920
1131119979
121829a480
13c697020
14804b916
155487bd0
hex399f720

60421920 has 192 divisors, whose sum is σ = 214389504. Its totient is φ = 14192640.

The previous prime is 60421909. The next prime is 60421939. The reversal of 60421920 is 2912406.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143310 + ... + 143730.

It is an arithmetic number, because the mean of its divisors is an integer number (1116612).

Almost surely, 260421920 is an apocalyptic number.

60421920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60421920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107194752).

60421920 is an abundant number, since it is smaller than the sum of its proper divisors (153967584).

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

60421920 is a wasteful number, since it uses less digits than its factorization.

60421920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 60421920 is about 7773.1538000994. The cubic root of 60421920 is about 392.4022664960.

The spelling of 60421920 in words is "sixty million, four hundred twenty-one thousand, nine hundred twenty".