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145986892 = 2243848761
BaseRepresentation
bin10001011001110…
…01010101001100
3101011200220100221
420230321111030
5244333040032
622253001124
73421603522
oct1054712514
9334626327
10145986892
1175451127
1240a831a4
132432539c
1415562312
15cc3a597
hex8b3954c

145986892 has 12 divisors (see below), whose sum is σ = 261418696. Its totient is φ = 71295840.

The previous prime is 145986889. The next prime is 145986901. The reversal of 145986892 is 298689541.

It is a super-3 number, since 3×1459868923 (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424209 + ... + 424552.

Almost surely, 2145986892 is an apocalyptic number.

It is an amenable number.

145986892 is a deficient number, since it is larger than the sum of its proper divisors (115431804).

145986892 is a wasteful number, since it uses less digits than its factorization.

145986892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848808 (or 848806 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 52.

The square root of 145986892 is about 12082.5035485201. The cubic root of 145986892 is about 526.5479839036.

The spelling of 145986892 in words is "one hundred forty-five million, nine hundred eighty-six thousand, eight hundred ninety-two".

Divisors: 1 2 4 43 86 172 848761 1697522 3395044 36496723 72993446 145986892