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1380860212 = 223074312609
BaseRepresentation
bin101001001001110…
…0100000100110100
310120020022222002211
41102103210010310
510312000011322
6345004343204
746135055344
oct12223440464
93506288084
101380860212
11649506796
12326544b04
13190109a64
14d156cd24
1581363b77
hex524e4134

1380860212 has 24 divisors (see below), whose sum is σ = 2430933120. Its totient is φ = 686321280.

The previous prime is 1380860209. The next prime is 1380860219. The reversal of 1380860212 is 2120680831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380860219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527964 + ... + 530572.

It is an arithmetic number, because the mean of its divisors is an integer number (101288880).

Almost surely, 21380860212 is an apocalyptic number.

It is an amenable number.

1380860212 is a deficient number, since it is larger than the sum of its proper divisors (1050072908).

1380860212 is a wasteful number, since it uses less digits than its factorization.

1380860212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351 (or 3349 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 1380860212 is about 37159.9275026203. The cubic root of 1380860212 is about 1113.5675632373.

The spelling of 1380860212 in words is "one billion, three hundred eighty million, eight hundred sixty thousand, two hundred twelve".

Divisors: 1 2 4 307 431 614 862 1228 1724 2609 5218 10436 132317 264634 529268 800963 1124479 1601926 2248958 3203852 4497916 345215053 690430106 1380860212