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148093407 = 3371171233
BaseRepresentation
bin10001101001110…
…11100111011111
3101022122220222000
420310323213133
5300402442112
622410053343
73445526130
oct1064734737
9338586860
10148093407
117665a850
124171a253
13248b2147
141594dc87
15d0047dc
hex8d3b9df

148093407 has 32 divisors (see below), whose sum is σ = 273538560. Its totient is φ = 76930560.

The previous prime is 148093399. The next prime is 148093427. The reversal of 148093407 is 704390841.

It is a happy number.

It is not a de Polignac number, because 148093407 - 23 = 148093399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148093427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33538 + ... + 37695.

It is an arithmetic number, because the mean of its divisors is an integer number (8548080).

Almost surely, 2148093407 is an apocalyptic number.

148093407 is a deficient number, since it is larger than the sum of its proper divisors (125445153).

148093407 is a wasteful number, since it uses less digits than its factorization.

148093407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71260 (or 71254 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 148093407 is about 12169.3634591132. The cubic root of 148093407 is about 529.0685038435.

The spelling of 148093407 in words is "one hundred forty-eight million, ninety-three thousand, four hundred seven".

Divisors: 1 3 7 9 11 21 27 33 63 77 99 189 231 297 693 2079 71233 213699 498631 641097 783563 1495893 1923291 2350689 4487679 5484941 7052067 13463037 16454823 21156201 49364469 148093407