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148706390 = 2572124377
BaseRepresentation
bin10001101110100…
…01010001010110
3101100211001211002
420313101101112
5301032101030
622431143302
73453661220
oct1067212126
9340731732
10148706390
1176a39348
1241974b32
1324a68161
1415a6d410
15d0c6245
hex8dd1456

148706390 has 16 divisors (see below), whose sum is σ = 305910432. Its totient is φ = 50985024.

The previous prime is 148706381. The next prime is 148706401. The reversal of 148706390 is 93607841.

It is a super-2 number, since 2×1487063902 = 44227180853664200, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1062119 + ... + 1062258.

It is an arithmetic number, because the mean of its divisors is an integer number (19119402).

Almost surely, 2148706390 is an apocalyptic number.

148706390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148706390 is an abundant number, since it is smaller than the sum of its proper divisors (157204042).

148706390 is a wasteful number, since it uses less digits than its factorization.

148706390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124391.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 148706390 is about 12194.5229508989. The cubic root of 148706390 is about 529.7974662236.

The spelling of 148706390 in words is "one hundred forty-eight million, seven hundred six thousand, three hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 2124377 4248754 10621885 14870639 21243770 29741278 74353195 148706390