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149803732 = 22138932369
BaseRepresentation
bin10001110110111…
…01001011010100
3101102212211002101
420323131023110
5301322204412
622510451444
73466211401
oct1073351324
9342784071
10149803732
1177618841
1242203b84
1325060780
1415c772a8
15d241457
hex8edd2d4

149803732 has 24 divisors (see below), whose sum is σ = 285503400. Its totient is φ = 68361216.

The previous prime is 149803729. The next prime is 149803741. The reversal of 149803732 is 237308941.

It can be written as a sum of positive squares in 4 ways, for example, as 9523396 + 140280336 = 3086^2 + 11844^2 .

It is a super-2 number, since 2×1498037322 = 44882316242255648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 149803691 and 149803700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11557 + ... + 20812.

It is an arithmetic number, because the mean of its divisors is an integer number (11895975).

Almost surely, 2149803732 is an apocalyptic number.

It is an amenable number.

149803732 is a deficient number, since it is larger than the sum of its proper divisors (135699668).

149803732 is a wasteful number, since it uses less digits than its factorization.

149803732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32475 (or 32473 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 149803732 is about 12239.4334836217. The cubic root of 149803732 is about 531.0974435863.

The spelling of 149803732 in words is "one hundred forty-nine million, eight hundred three thousand, seven hundred thirty-two".

Divisors: 1 2 4 13 26 52 89 178 356 1157 2314 4628 32369 64738 129476 420797 841594 1683188 2880841 5761682 11523364 37450933 74901866 149803732