Search a number
-
+
2907942 = 231134289
BaseRepresentation
bin1011000101111100100110
312110201221120
423011330212
51221023232
6142154410
733500652
oct13057446
95421846
102907942
111706864
12b82a06
137aa79b
14559a62
153c692c
hex2c5f26

2907942 has 16 divisors (see below), whose sum is σ = 5868720. Its totient is φ = 960512.

The previous prime is 2907929. The next prime is 2907943. The reversal of 2907942 is 2497092.

It is a super-2 number, since 2×29079422 = 16912253350728, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2907943) 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, 1467 + ... + 2822.

It is an arithmetic number, because the mean of its divisors is an integer number (366795).

22907942 is an apocalyptic number.

2907942 is an abundant number, since it is smaller than the sum of its proper divisors (2960778).

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

2907942 is a wasteful number, since it uses less digits than its factorization.

2907942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 2907942 is about 1705.2688937525. The cubic root of 2907942 is about 142.7343757660.

The spelling of 2907942 in words is "two million, nine hundred seven thousand, nine hundred forty-two".

Divisors: 1 2 3 6 113 226 339 678 4289 8578 12867 25734 484657 969314 1453971 2907942