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146206742 = 21197131523
BaseRepresentation
bin10001011011011…
…11000000010110
3101012010001221112
420231233000112
5244412103432
622301415022
73423510503
oct1055570026
9335101845
10146206742
1175591320
1240b6a472
13243a1486
14155bc4aa
15cc807b2
hex8b6f016

146206742 has 32 divisors (see below), whose sum is σ = 244024704. Its totient is φ = 65145600.

The previous prime is 146206727. The next prime is 146206787. The reversal of 146206742 is 247602641.

It is a super-2 number, since 2×1462067422 = 42752822812509128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 146206699 and 146206708.

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 15 ways as a sum of consecutive naturals, for example, 279293 + ... + 279815.

It is an arithmetic number, because the mean of its divisors is an integer number (7625772).

Almost surely, 2146206742 is an apocalyptic number.

146206742 is a deficient number, since it is larger than the sum of its proper divisors (97817962).

146206742 is a wasteful number, since it uses less digits than its factorization.

146206742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 146206742 is about 12091.5979919943. The cubic root of 146206742 is about 526.8121708924.

The spelling of 146206742 in words is "one hundred forty-six million, two hundred six thousand, seven hundred forty-two".

Divisors: 1 2 11 22 97 131 194 262 523 1046 1067 1441 2134 2882 5753 11506 12707 25414 50731 68513 101462 137026 139777 279554 558041 753643 1116082 1507286 6645761 13291522 73103371 146206742