Search a number
-
+
148639100 = 22523494259
BaseRepresentation
bin10001101110000…
…00110101111100
3101100200122111212
420313000311330
5301022422400
622425503552
73453261101
oct1067006574
9340618455
10148639100
11769a2835
1241941bb8
1324a4363c
1415a52aa8
15d0b1335
hex8dc0d7c

148639100 has 36 divisors (see below), whose sum is σ = 323547000. Its totient is φ = 59271360.

The previous prime is 148639097. The next prime is 148639103. The reversal of 148639100 is 1936841.

It is a happy number.

148639100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (148639097) and next prime (148639103).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148639103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32771 + ... + 37029.

Almost surely, 2148639100 is an apocalyptic number.

148639100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148639100 is an abundant number, since it is smaller than the sum of its proper divisors (174907900).

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

148639100 is a wasteful number, since it uses less digits than its factorization.

148639100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4622 (or 4615 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 148639100 is about 12191.7636131940. The cubic root of 148639100 is about 529.7175426236.

The spelling of 148639100 in words is "one hundred forty-eight million, six hundred thirty-nine thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 349 698 1396 1745 3490 4259 6980 8518 8725 17036 17450 21295 34900 42590 85180 106475 212950 425900 1486391 2972782 5945564 7431955 14863910 29727820 37159775 74319550 148639100