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148139962 = 274069981
BaseRepresentation
bin10001101010001…
…10111110111010
3101022202021211021
420311012332322
5300410434322
622411053054
73446111635
oct1065067672
9338667737
10148139962
1176691823
124174118a
13248ca3a9
1415962c1c
15d0134c7
hex8d46fba

148139962 has 4 divisors (see below), whose sum is σ = 222209946. Its totient is φ = 74069980.

The previous prime is 148139947. The next prime is 148139963. The reversal of 148139962 is 269931841.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 138274081 + 9865881 = 11759^2 + 3141^2 .

It is a super-2 number, since 2×1481399622 = 43890896682722888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (148139963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37034989 + ... + 37034992.

Almost surely, 2148139962 is an apocalyptic number.

148139962 is a deficient number, since it is larger than the sum of its proper divisors (74069984).

148139962 is an equidigital number, since it uses as much as digits as its factorization.

148139962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74069983.

The product of its digits is 93312, while the sum is 43.

The square root of 148139962 is about 12171.2761040082. The cubic root of 148139962 is about 529.1239377847.

The spelling of 148139962 in words is "one hundred forty-eight million, one hundred thirty-nine thousand, nine hundred sixty-two".

Divisors: 1 2 74069981 148139962