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148890038 = 21153149857
BaseRepresentation
bin10001101111111…
…10000110110110
3101101011101201212
420313332012312
5301103440123
622435121422
73455354513
oct1067760666
9341141655
10148890038
1177054320
1241a43272
1324b0091b
1415aba30a
15d110878
hex8dfe1b6

148890038 has 32 divisors (see below), whose sum is σ = 250192800. Its totient is φ = 65877760.

The previous prime is 148890011. The next prime is 148890047. The reversal of 148890038 is 830098841.

It is a junction number, because it is equal to n+sod(n) for n = 148889977 and 148890004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173306 + ... + 174162.

It is an arithmetic number, because the mean of its divisors is an integer number (7818525).

Almost surely, 2148890038 is an apocalyptic number.

148890038 is a deficient number, since it is larger than the sum of its proper divisors (101302762).

148890038 is a wasteful number, since it uses less digits than its factorization.

148890038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 148890038 is about 12202.0505653763. The cubic root of 148890038 is about 530.0154712465.

The spelling of 148890038 in words is "one hundred forty-eight million, eight hundred ninety thousand, thirty-eight".

Divisors: 1 2 11 22 53 106 149 298 583 857 1166 1639 1714 3278 7897 9427 15794 18854 45421 86867 90842 127693 173734 255386 499631 999262 1404623 2809246 6767729 13535458 74445019 148890038