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15097040 = 245726959
BaseRepresentation
bin111001100101…
…110011010000
31001102000020122
4321211303100
512331101130
61255325412
7242215460
oct71456320
931360218
1015097040
1185816a2
125080868
13318787a
14200dba0
1514d32e5
hexe65cd0

15097040 has 40 divisors (see below), whose sum is σ = 40116480. Its totient is φ = 5175936.

The previous prime is 15097013. The next prime is 15097051. The reversal of 15097040 is 4079051.

15097040 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

15097040 is strictly pandigital in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12920 + ... + 14039.

It is an arithmetic number, because the mean of its divisors is an integer number (1002912).

Almost surely, 215097040 is an apocalyptic number.

15097040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15097040 is an abundant number, since it is smaller than the sum of its proper divisors (25019440).

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

15097040 is a wasteful number, since it uses less digits than its factorization.

15097040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26979 (or 26973 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 15097040 is about 3885.4909599689. The cubic root of 15097040 is about 247.1518896190.

The spelling of 15097040 in words is "fifteen million, ninety-seven thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 26959 53918 107836 134795 188713 215672 269590 377426 431344 539180 754852 943565 1078360 1509704 1887130 2156720 3019408 3774260 7548520 15097040