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145893628 = 22194993847
BaseRepresentation
bin10001011001000…
…10100011111100
3101011112011102201
420230202203330
5244322044003
622251001244
73421034566
oct1054424374
9334464381
10145893628
1175398051
1240a39224
13242c1aba
141553a336
15cc1cb1d
hex8b228fc

145893628 has 24 divisors (see below), whose sum is σ = 269360000. Its totient is φ = 68951088.

The previous prime is 145893619. The next prime is 145893653. The reversal of 145893628 is 826398541.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 36001 + ... + 39847.

Almost surely, 2145893628 is an apocalyptic number.

It is an amenable number.

145893628 is a deficient number, since it is larger than the sum of its proper divisors (123466372).

145893628 is a wasteful number, since it uses less digits than its factorization.

145893628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4369 (or 4367 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 145893628 is about 12078.6434668799. The cubic root of 145893628 is about 526.4358312946.

The spelling of 145893628 in words is "one hundred forty-five million, eight hundred ninety-three thousand, six hundred twenty-eight".

Divisors: 1 2 4 19 38 76 499 998 1996 3847 7694 9481 15388 18962 37924 73093 146186 292372 1919653 3839306 7678612 36473407 72946814 145893628