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1542463212 = 223128538601
BaseRepresentation
bin101101111110000…
…0001111011101100
310222111102020202010
41123330001323230
511124332310322
6413020201220
753136502203
oct13374017354
93874366663
101542463212
11721753494
12370699210
131b773c034
14108bd823a
159063620c
hex5bf01eec

1542463212 has 12 divisors (see below), whose sum is σ = 3599080856. Its totient is φ = 514154400.

The previous prime is 1542463211. The next prime is 1542463217. The reversal of 1542463212 is 2123642451.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1542463212.

It is not an unprimeable number, because it can be changed into a prime (1542463211) 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, 64269289 + ... + 64269312.

Almost surely, 21542463212 is an apocalyptic number.

1542463212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1542463212 is an abundant number, since it is smaller than the sum of its proper divisors (2056617644).

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

1542463212 is a wasteful number, since it uses less digits than its factorization.

1542463212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128538608 (or 128538606 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 1542463212 is about 39274.2054279905. The cubic root of 1542463212 is about 1155.4157188707.

The spelling of 1542463212 in words is "one billion, five hundred forty-two million, four hundred sixty-three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 128538601 257077202 385615803 514154404 771231606 1542463212