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8720493148 = 22233712792003
BaseRepresentation
bin10000001111100100…
…00010101001011100
3211111202010221200201
420013302002221130
5120324421240043
64001154233244
7426046653163
oct100762025134
924452127621
108720493148
113775544634
121834585824
13a8c8a9223
145ca2583da
153608b9c4d
hex207c82a5c

8720493148 has 48 divisors (see below), whose sum is σ = 16375726080. Its totient is φ = 4052752704.

The previous prime is 8720493143. The next prime is 8720493149. The reversal of 8720493148 is 8413940278.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 8720493098 and 8720493107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8720493143) 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, 4352715 + ... + 4354717.

It is an arithmetic number, because the mean of its divisors is an integer number (341160960).

Almost surely, 28720493148 is an apocalyptic number.

It is an amenable number.

8720493148 is a deficient number, since it is larger than the sum of its proper divisors (7655232932).

8720493148 is a wasteful number, since it uses less digits than its factorization.

8720493148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3346 (or 3344 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 8720493148 is about 93383.5807195248. The cubic root of 8720493148 is about 2058.3237336004.

The spelling of 8720493148 in words is "eight billion, seven hundred twenty million, four hundred ninety-three thousand, one hundred forty-eight".

Divisors: 1 2 4 23 37 46 74 92 148 851 1279 1702 2003 2558 3404 4006 5116 8012 29417 46069 47323 58834 74111 92138 94646 117668 148222 184276 189292 296444 1088429 1704553 2176858 2561837 3409106 4353716 5123674 6818212 10247348 58922251 94787969 117844502 189575938 235689004 379151876 2180123287 4360246574 8720493148