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1942925940 = 223551953397
BaseRepresentation
bin111001111001110…
…1011001001110100
312000101221212100000
41303303223021310
512434342112230
6520443351300
766101412054
oct16363531164
95011855300
101942925940
1190780501a
12462822530
1324c6b3127
1414607d564
15b588bb60
hex73ceb274

1942925940 has 288 divisors, whose sum is σ = 6571393920. Its totient is φ = 480370176.

The previous prime is 1942925939. The next prime is 1942926017. The reversal of 1942925940 is 495292491.

1942925940 is a `hidden beast` number, since 19 + 42 + 9 + 2 + 594 + 0 = 666.

It is a super-2 number, since 2×19429259402 = 7549922416649767200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 4893822 + ... + 4894218.

It is an arithmetic number, because the mean of its divisors is an integer number (22817340).

Almost surely, 21942925940 is an apocalyptic number.

1942925940 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 1942925940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3285696960).

1942925940 is an abundant number, since it is smaller than the sum of its proper divisors (4628467980).

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

1942925940 is a wasteful number, since it uses less digits than its factorization.

1942925940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 1942925940 is about 44078.6335995117. The cubic root of 1942925940 is about 1247.8204022251.

It can be divided in two parts, 19429 and 25940, that added together give a square (45369 = 2132).

The spelling of 1942925940 in words is "one billion, nine hundred forty-two million, nine hundred twenty-five thousand, nine hundred forty".