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146414988 = 223219832579
BaseRepresentation
bin10001011101000…
…01110110001100
3101012111122121100
420232201312030
5244440234423
622310103100
73425335566
oct1056416614
9335448540
10146414988
1175713825
124104aa90
13244451b5
1415634336
15ccc2343
hex8ba1d8c

146414988 has 72 divisors (see below), whose sum is σ = 394430400. Its totient is φ = 45661536.

The previous prime is 146414963. The next prime is 146415023. The reversal of 146414988 is 889414641.

146414988 is a `hidden beast` number, since 146 + 414 + 98 + 8 = 666.

It is a super-2 number, since 2×1464149882 = 42874697422080288, which contains 22 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 23 ways as a sum of consecutive naturals, for example, 55483 + ... + 58061.

It is an arithmetic number, because the mean of its divisors is an integer number (5478200).

Almost surely, 2146414988 is an apocalyptic number.

146414988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146414988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197215200).

146414988 is an abundant number, since it is smaller than the sum of its proper divisors (248015412).

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

146414988 is a wasteful number, since it uses less digits than its factorization.

146414988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691 (or 2686 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 146414988 is about 12100.2061139470. The cubic root of 146414988 is about 527.0621695839.

The spelling of 146414988 in words is "one hundred forty-six million, four hundred fourteen thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 83 114 166 171 228 249 332 342 498 684 747 996 1494 1577 2579 2988 3154 4731 5158 6308 7737 9462 10316 14193 15474 18924 23211 28386 30948 46422 49001 56772 92844 98002 147003 196004 214057 294006 428114 441009 588012 642171 856228 882018 1284342 1764036 1926513 2568684 3853026 4067083 7706052 8134166 12201249 16268332 24402498 36603747 48804996 73207494 146414988