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146682109 = 7192347951
BaseRepresentation
bin10001011111000…
…11000011111101
3101020000020000201
420233203003331
5300022311414
622315523501
73430530430
oct1057430375
9336006021
10146682109
1175886492
1241159591
1324509962
14156a3817
15cd26574
hex8be30fd

146682109 has 16 divisors (see below), whose sum is σ = 184135680. Its totient is φ = 113929200.

The previous prime is 146682101. The next prime is 146682119. The reversal of 146682109 is 901286641.

It is a happy number.

It is not a de Polignac number, because 146682109 - 23 = 146682101 is a prime.

It is a super-2 number, since 2×1466821092 = 43031282201375762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146682101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20917 + ... + 27034.

It is an arithmetic number, because the mean of its divisors is an integer number (11508480).

Almost surely, 2146682109 is an apocalyptic number.

146682109 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

146682109 is a deficient number, since it is larger than the sum of its proper divisors (37453571).

146682109 is a wasteful number, since it uses less digits than its factorization.

146682109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48000.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 146682109 is about 12111.2389539634. The cubic root of 146682109 is about 527.3825007267.

The spelling of 146682109 in words is "one hundred forty-six million, six hundred eighty-two thousand, one hundred nine".

Divisors: 1 7 19 23 133 161 437 3059 47951 335657 911069 1102873 6377483 7720111 20954587 146682109