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148921802 = 2177395927
BaseRepresentation
bin10001110000001…
…01110111001010
3101101020000022022
420320011313022
5301110444202
622435524442
73455546231
oct1070056712
9341200268
10148921802
1177076177
1241a59722
1324b12213
1415ac7b18
15d119ea2
hex8e05dca

148921802 has 16 divisors (see below), whose sum is σ = 236882880. Its totient is φ = 69974208.

The previous prime is 148921793. The next prime is 148921807. The reversal of 148921802 is 208129841.

It is a super-2 number, since 2×1489218022 = 44355406221854408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (148921807) by changing a digit.

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, 22163 + ... + 28089.

It is an arithmetic number, because the mean of its divisors is an integer number (14805180).

Almost surely, 2148921802 is an apocalyptic number.

148921802 is a deficient number, since it is larger than the sum of its proper divisors (87961078).

148921802 is a wasteful number, since it uses less digits than its factorization.

148921802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6685.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 148921802 is about 12203.3520804736. The cubic root of 148921802 is about 530.0531594952.

The spelling of 148921802 in words is "one hundred forty-eight million, nine hundred twenty-one thousand, eight hundred two".

Divisors: 1 2 17 34 739 1478 5927 11854 12563 25126 100759 201518 4380053 8760106 74460901 148921802