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146989948 = 22711346457
BaseRepresentation
bin10001100001011…
…10001101111100
3101020120212022011
420300232031330
5300112134243
622330301004
73433252060
oct1060561574
9336525264
10146989948
1175a767a6
1241287764
13245b6b01
1415743aa0
15cd8789d
hex8c2e37c

146989948 has 24 divisors (see below), whose sum is σ = 296587872. Its totient is φ = 62436864.

The previous prime is 146989943. The next prime is 146989963. The reversal of 146989948 is 849989641.

It is a happy number.

146989948 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 146989892 and 146989901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146989943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20065 + ... + 26392.

It is an arithmetic number, because the mean of its divisors is an integer number (12357828).

Almost surely, 2146989948 is an apocalyptic number.

It is an amenable number.

146989948 is an abundant number, since it is smaller than the sum of its proper divisors (149597924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146989948 is a wasteful number, since it uses less digits than its factorization.

146989948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46581 (or 46579 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 58.

The square root of 146989948 is about 12123.9411084020. The cubic root of 146989948 is about 527.7511788659.

The spelling of 146989948 in words is "one hundred forty-six million, nine hundred eighty-nine thousand, nine hundred forty-eight".

Divisors: 1 2 4 7 14 28 113 226 452 791 1582 3164 46457 92914 185828 325199 650398 1300796 5249641 10499282 20998564 36747487 73494974 146989948