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1930492940 = 22596524647
BaseRepresentation
bin111001100010000…
…1111110000001100
311222112120012110112
41303010033300030
512423201233230
6515321055152
765560630205
oct16304176014
94875505415
101930492940
11900792a12
1245a6274b8
13249c4c01c
141445645ac
15b4732d95
hex7310fc0c

1930492940 has 12 divisors (see below), whose sum is σ = 4054035216. Its totient is φ = 772197168.

The previous prime is 1930492939. The next prime is 1930492943. The reversal of 1930492940 is 492940391.

It is not an unprimeable number, because it can be changed into a prime (1930492943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48262304 + ... + 48262343.

It is an arithmetic number, because the mean of its divisors is an integer number (337836268).

Almost surely, 21930492940 is an apocalyptic number.

1930492940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1930492940 is an abundant number, since it is smaller than the sum of its proper divisors (2123542276).

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

1930492940 is a wasteful number, since it uses less digits than its factorization.

1930492940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96524656 (or 96524654 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 1930492940 is about 43937.3752060817. The cubic root of 1930492940 is about 1245.1530572084.

The spelling of 1930492940 in words is "one billion, nine hundred thirty million, four hundred ninety-two thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 96524647 193049294 386098588 482623235 965246470 1930492940