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148798920 = 23354328837
BaseRepresentation
bin10001101111001…
…11110111001000
3101100222202202010
420313213313020
5301043031140
622433135520
73454525044
oct1067476710
9340882663
10148798920
1176aa1916
12419ba5a0
1324a9b2ca
1415a95024
15d0e3880
hex8de7dc8

148798920 has 64 divisors (see below), whose sum is σ = 456793920. Its totient is φ = 38755584.

The previous prime is 148798919. The next prime is 148798927. The reversal of 148798920 is 29897841.

It is a super-2 number, since 2×1487989202 = 44282237186332800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 148798920.

It is not an unprimeable number, because it can be changed into a prime (148798927) 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, 9259 + ... + 19578.

It is an arithmetic number, because the mean of its divisors is an integer number (7137405).

Almost surely, 2148798920 is an apocalyptic number.

148798920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148798920 is an abundant number, since it is smaller than the sum of its proper divisors (307995000).

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

148798920 is a wasteful number, since it uses less digits than its factorization.

148798920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28894 (or 28890 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 48.

The square root of 148798920 is about 12198.3162772573. The cubic root of 148798920 is about 529.9073292347.

The spelling of 148798920 in words is "one hundred forty-eight million, seven hundred ninety-eight thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 43 60 86 120 129 172 215 258 344 430 516 645 860 1032 1290 1720 2580 5160 28837 57674 86511 115348 144185 173022 230696 288370 346044 432555 576740 692088 865110 1153480 1239991 1730220 2479982 3460440 3719973 4959964 6199955 7439946 9919928 12399910 14879892 18599865 24799820 29759784 37199730 49599640 74399460 148798920