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2115130 = 25316823
BaseRepresentation
bin1000000100011000111010
310222110102011
420010120322
51020141010
6113200134
723656363
oct10043072
93873364
102115130
111215146
1286004a
13590974
143d0b6a
152bba8a
hex20463a

2115130 has 16 divisors (see below), whose sum is σ = 3930624. Its totient is φ = 818640.

The previous prime is 2115121. The next prime is 2115131. The reversal of 2115130 is 315112.

It is a self number, because there is not a number n which added to its sum of digits gives 2115130.

It is not an unprimeable number, because it can be changed into a prime (2115131) 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, 3102 + ... + 3721.

It is an arithmetic number, because the mean of its divisors is an integer number (245664).

22115130 is an apocalyptic number.

2115130 is a deficient number, since it is larger than the sum of its proper divisors (1815494).

2115130 is a wasteful number, since it uses less digits than its factorization.

2115130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6861.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 2115130 is about 1454.3486514588. The cubic root of 2115130 is about 128.3647231175.

It can be divided in two parts, 21 and 15130, that added together give a palindrome (15151).

The spelling of 2115130 in words is "two million, one hundred fifteen thousand, one hundred thirty".

Divisors: 1 2 5 10 31 62 155 310 6823 13646 34115 68230 211513 423026 1057565 2115130