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6149080 = 235721961
BaseRepresentation
bin10111011101001111011000
3102120101221201
4113131033120
53033232310
6335443544
7103160230
oct27351730
912511851
106149080
11351a993
1220865b4
131373b12
14b60cc0
15816e3a
hex5dd3d8

6149080 has 32 divisors (see below), whose sum is σ = 15812640. Its totient is φ = 2108160.

The previous prime is 6149063. The next prime is 6149083. The reversal of 6149080 is 809416.

It is a super-2 number, since 2×61490802 = 75622369692800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6149083) 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, 10701 + ... + 11260.

It is an arithmetic number, because the mean of its divisors is an integer number (494145).

Almost surely, 26149080 is an apocalyptic number.

It is an amenable number.

6149080 is an abundant number, since it is smaller than the sum of its proper divisors (9663560).

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

6149080 is a wasteful number, since it uses less digits than its factorization.

6149080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21979 (or 21975 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 6149080 is about 2479.7338566870. The cubic root of 6149080 is about 183.2047436209.

It can be divided in two parts, 61 and 49080, that added together give a triangular number (49141 = T313).

The spelling of 6149080 in words is "six million, one hundred forty-nine thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 21961 43922 87844 109805 153727 175688 219610 307454 439220 614908 768635 878440 1229816 1537270 3074540 6149080