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2401990 = 25401599
BaseRepresentation
bin1001001010011011000110
311112000220121
421022123012
51103330430
6123252154
726262613
oct11123306
94460817
102401990
1113a0718
1297a05a
136613c6
1446750a
15326a7a
hex24a6c6

2401990 has 16 divisors (see below), whose sum is σ = 4341600. Its totient is φ = 956800.

The previous prime is 2401969. The next prime is 2401991. The reversal of 2401990 is 991042.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2401991) 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, 3711 + ... + 4309.

It is an arithmetic number, because the mean of its divisors is an integer number (271350).

22401990 is an apocalyptic number.

2401990 is a deficient number, since it is larger than the sum of its proper divisors (1939610).

2401990 is a wasteful number, since it uses less digits than its factorization.

2401990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 2401990 is about 1549.8354751392. The cubic root of 2401990 is about 133.9235845593.

The spelling of 2401990 in words is "two million, four hundred one thousand, nine hundred ninety".

Divisors: 1 2 5 10 401 599 802 1198 2005 2995 4010 5990 240199 480398 1200995 2401990