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58420440 = 23345131973
BaseRepresentation
bin1101111011011…
…0110011011000
311001221001210000
43132312303120
5104423423230
65444053000
71306364661
oct336666330
9131831700
1058420440
112aa82161
1217694160
13c146010
147a8a368
1551deb60
hex37b6cd8

58420440 has 320 divisors, whose sum is σ = 225640800. Its totient is φ = 13436928.

The previous prime is 58420423. The next prime is 58420477. The reversal of 58420440 is 4402485.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 800244 + ... + 800316.

Almost surely, 258420440 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 58420440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112820400).

58420440 is an abundant number, since it is smaller than the sum of its proper divisors (167220360).

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

58420440 is a wasteful number, since it uses less digits than its factorization.

58420440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 58420440 is about 7643.3265009419. The cubic root of 58420440 is about 388.0207414427.

The spelling of 58420440 in words is "fifty-eight million, four hundred twenty thousand, four hundred forty".