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2992407 = 31190679
BaseRepresentation
bin1011011010100100010111
312122000210220
423122210113
51231224112
6144045423
734302135
oct13324427
95560726
102992407
111764270
121003873
1380a072
1457c755
153e198c
hex2da917

2992407 has 8 divisors (see below), whose sum is σ = 4352640. Its totient is φ = 1813560.

The previous prime is 2992403. The next prime is 2992417. The reversal of 2992407 is 7042992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2992407 - 22 = 2992403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 90679 = 2992407 / (2 + 9 + 9 + 2 + 4 + 0 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2992403) 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, 45307 + ... + 45372.

It is an arithmetic number, because the mean of its divisors is an integer number (544080).

22992407 is an apocalyptic number.

2992407 is a deficient number, since it is larger than the sum of its proper divisors (1360233).

2992407 is a wasteful number, since it uses less digits than its factorization.

2992407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90693.

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

The square root of 2992407 is about 1729.8575085827. The cubic root of 2992407 is about 144.1031764419.

The spelling of 2992407 in words is "two million, nine hundred ninety-two thousand, four hundred seven".

Divisors: 1 3 11 33 90679 272037 997469 2992407