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2031402230 = 2511131420561
BaseRepresentation
bin111100100010100…
…1011110011110110
312020120102220222122
41321011023303312
513130014332410
6533323555542
7101224430324
oct17105136366
95216386878
102031402230
11952745620
1248838bbb2
13264b20670
14153b10d14
15bd516e55
hex7914bcf6

2031402230 has 32 divisors (see below), whose sum is σ = 4295779488. Its totient is φ = 681868800.

The previous prime is 2031402223. The next prime is 2031402281. The reversal of 2031402230 is 322041302.

It is a junction number, because it is equal to n+sod(n) for n = 2031402199 and 2031402208.

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, 708851 + ... + 711710.

It is an arithmetic number, because the mean of its divisors is an integer number (134243109).

Almost surely, 22031402230 is an apocalyptic number.

2031402230 is an abundant number, since it is smaller than the sum of its proper divisors (2264377258).

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

2031402230 is a wasteful number, since it uses less digits than its factorization.

2031402230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420592.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2031402230 is about 45071.0797518764. The cubic root of 2031402230 is about 1266.4808915759.

Adding to 2031402230 its reverse (322041302), we get a palindrome (2353443532).

The spelling of 2031402230 in words is "two billion, thirty-one million, four hundred two thousand, two hundred thirty".

Divisors: 1 2 5 10 11 13 22 26 55 65 110 130 143 286 715 1430 1420561 2841122 7102805 14205610 15626171 18467293 31252342 36934586 78130855 92336465 156261710 184672930 203140223 406280446 1015701115 2031402230