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2942990 = 251511949
BaseRepresentation
bin1011001110100000001110
312112112000122
423032200032
51223133430
6143024542
734005101
oct13164016
95475018
102942990
111730126
12b9b152
137c071b
14568738
153d1ee5
hex2ce80e

2942990 has 16 divisors (see below), whose sum is σ = 5335200. Its totient is φ = 1168800.

The previous prime is 2942981. The next prime is 2943001. The reversal of 2942990 is 992492.

It is a super-2 number, since 2×29429902 = 17322380280200, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2942990.

It is a congruent number.

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, 536 + ... + 2484.

It is an arithmetic number, because the mean of its divisors is an integer number (333450).

22942990 is an apocalyptic number.

2942990 is a deficient number, since it is larger than the sum of its proper divisors (2392210).

2942990 is a wasteful number, since it uses less digits than its factorization.

2942990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 2942990 is about 1715.5145000844. The cubic root of 2942990 is about 143.3055231184.

The spelling of 2942990 in words is "two million, nine hundred forty-two thousand, nine hundred ninety".

Divisors: 1 2 5 10 151 302 755 1510 1949 3898 9745 19490 294299 588598 1471495 2942990