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1485907420 = 2253719110513
BaseRepresentation
bin101100010010001…
…0010010111011100
310211112222220210011
41120210102113130
511020343014140
6403240053004
751552001414
oct13044222734
93745886704
101485907420
116a2835268
12355764164
131a8ac997a
141014b5644
158a6b3cea
hex589125dc

1485907420 has 48 divisors (see below), whose sum is σ = 3221826048. Its totient is φ = 575216640.

The previous prime is 1485907403. The next prime is 1485907453. The reversal of 1485907420 is 247095841.

It is a super-2 number, since 2×14859074202 = 4415841721622112800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136084 + ... + 146596.

It is an arithmetic number, because the mean of its divisors is an integer number (67121376).

Almost surely, 21485907420 is an apocalyptic number.

1485907420 is a gapful number since it is divisible by the number (10) 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 1485907420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1610913024).

1485907420 is an abundant number, since it is smaller than the sum of its proper divisors (1735918628).

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

1485907420 is a wasteful number, since it uses less digits than its factorization.

1485907420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10750 (or 10748 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 1485907420 is about 38547.4696964665. The cubic root of 1485907420 is about 1141.1180730746.

The spelling of 1485907420 in words is "one billion, four hundred eighty-five million, nine hundred seven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 37 74 148 185 191 370 382 740 764 955 1910 3820 7067 10513 14134 21026 28268 35335 42052 52565 70670 105130 141340 210260 388981 777962 1555924 1944905 2007983 3889810 4015966 7779620 8031932 10039915 20079830 40159660 74295371 148590742 297181484 371476855 742953710 1485907420