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2107423740 = 2235163215483
BaseRepresentation
bin111110110011100…
…1011101111111100
312102212111012220010
41331213023233330
513304000024430
6545041223220
7103136543352
oct17547135774
95385435803
102107423740
11991649714
124a9931b10
132777b9bc6
1415dc5d7d2
15c5031cb0
hex7d9cbbfc

2107423740 has 48 divisors (see below), whose sum is σ = 5937015168. Its totient is φ = 558529344.

The previous prime is 2107423727. The next prime is 2107423873. The reversal of 2107423740 is 473247012.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2107423698 and 2107423707.

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, 97962 + ... + 117521.

It is an arithmetic number, because the mean of its divisors is an integer number (123687816).

Almost surely, 22107423740 is an apocalyptic number.

2107423740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2107423740 is an abundant number, since it is smaller than the sum of its proper divisors (3829591428).

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

2107423740 is a wasteful number, since it uses less digits than its factorization.

2107423740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215658 (or 215656 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 2107423740 is about 45906.6851340848. The cubic root of 2107423740 is about 1282.0863882115.

The spelling of 2107423740 in words is "two billion, one hundred seven million, four hundred twenty-three thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 163 326 489 652 815 978 1630 1956 2445 3260 4890 9780 215483 430966 646449 861932 1077415 1292898 2154830 2585796 3232245 4309660 6464490 12928980 35123729 70247458 105371187 140494916 175618645 210742374 351237290 421484748 526855935 702474580 1053711870 2107423740