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2934387 = 34172131
BaseRepresentation
bin1011001100011001110011
312112002020000
423030121303
51222400022
6142521043
733641031
oct13143163
95462200
102934387
111724715
12b96183
137b9831
14565551
153ce6ac
hex2cc673

2934387 has 20 divisors (see below), whose sum is σ = 4643496. Its totient is φ = 1840320.

The previous prime is 2934361. The next prime is 2934401. The reversal of 2934387 is 7834392.

It is not a de Polignac number, because 2934387 - 216 = 2868851 is a prime.

It is a super-2 number, since 2×29343872 = 17221254131538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2934587) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 312 + ... + 2442.

22934387 is an apocalyptic number.

2934387 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2934387 is a deficient number, since it is larger than the sum of its proper divisors (1709109).

2934387 is a wasteful number, since it uses less digits than its factorization.

2934387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160 (or 2151 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 2934387 is about 1713.0052539324. The cubic root of 2934387 is about 143.1657490934.

It can be divided in two parts, 2934 and 387, that added together give a triangular number (3321 = T81).

The spelling of 2934387 in words is "two million, nine hundred thirty-four thousand, three hundred eighty-seven".

Divisors: 1 3 9 17 27 51 81 153 459 1377 2131 6393 19179 36227 57537 108681 172611 326043 978129 2934387