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148640629 = 1931733457
BaseRepresentation
bin10001101110000…
…01001101110101
3101100200201121111
420313001031311
5301023000004
622425515021
73453265414
oct1067011565
9340621544
10148640629
11769a39a5
1241942a71
1324a44247
1415a5347b
15d0b1a04
hex8dc1375

148640629 has 16 divisors (see below), whose sum is σ = 163770880. Its totient is φ = 134369280.

The previous prime is 148640587. The next prime is 148640641. The reversal of 148640629 is 926046841.

148640629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 148640629 - 29 = 148640117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 148640591 and 148640600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148640659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41269 + ... + 44725.

It is an arithmetic number, because the mean of its divisors is an integer number (10235680).

Almost surely, 2148640629 is an apocalyptic number.

148640629 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

148640629 is a deficient number, since it is larger than the sum of its proper divisors (15130251).

148640629 is a wasteful number, since it uses less digits than its factorization.

148640629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3580.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 148640629 is about 12191.8263193010. The cubic root of 148640629 is about 529.7193589589.

The spelling of 148640629 in words is "one hundred forty-eight million, six hundred forty thousand, six hundred twenty-nine".

Divisors: 1 19 31 73 589 1387 2263 3457 42997 65683 107167 252361 2036173 4794859 7823191 148640629