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2115402 = 232315329
BaseRepresentation
bin1000000100011101001010
310222110210020
420010131022
51020143102
6113201310
723660232
oct10043512
93873706
102115402
111215373
12860236
13590b23
143d0cc2
152bbbbc
hex20474a

2115402 has 16 divisors (see below), whose sum is σ = 4415040. Its totient is φ = 674432.

The previous prime is 2115397. The next prime is 2115427. The reversal of 2115402 is 2045112.

It is a plaindrome in base 15.

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, 7527 + ... + 7802.

It is an arithmetic number, because the mean of its divisors is an integer number (275940).

22115402 is an apocalyptic number.

2115402 is an abundant number, since it is smaller than the sum of its proper divisors (2299638).

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

2115402 is a wasteful number, since it uses less digits than its factorization.

2115402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15357.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 2115402 is about 1454.4421611051. The cubic root of 2115402 is about 128.3702253337.

The spelling of 2115402 in words is "two million, one hundred fifteen thousand, four hundred two".

Divisors: 1 2 3 6 23 46 69 138 15329 30658 45987 91974 352567 705134 1057701 2115402