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148620988 = 22127292561
BaseRepresentation
bin10001101101111…
…00011010111100
3101100122201200001
420312330122330
5301021332423
622425244044
73453154225
oct1066743274
9340581601
10148620988
117699016a
1241933624
1324a38319
1415a4a24c
15d0aacad
hex8dbc6bc

148620988 has 12 divisors (see below), whose sum is σ = 262135552. Its totient is φ = 73725120.

The previous prime is 148620977. The next prime is 148621019. The reversal of 148620988 is 889026841.

It is a super-2 number, since 2×1486209882 = 44176396148192288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145773 + ... + 146788.

Almost surely, 2148620988 is an apocalyptic number.

It is an amenable number.

148620988 is a deficient number, since it is larger than the sum of its proper divisors (113514564).

148620988 is a wasteful number, since it uses less digits than its factorization.

148620988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292692 (or 292690 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 148620988 is about 12191.0207940106. The cubic root of 148620988 is about 529.6960260019.

The spelling of 148620988 in words is "one hundred forty-eight million, six hundred twenty thousand, nine hundred eighty-eight".

Divisors: 1 2 4 127 254 508 292561 585122 1170244 37155247 74310494 148620988