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1942432630 = 251311482773
BaseRepresentation
bin111001111000111…
…0010101101110110
312000101000210122021
41303301302231312
512434230321010
6520425023354
766064255615
oct16361625566
95011023567
101942432630
119074a8426
12462624b5a
1324c56c728
14145d9187c
15b57e08da
hex73c72b76

1942432630 has 16 divisors (see below), whose sum is σ = 3523071024. Its totient is φ = 771041440.

The previous prime is 1942432621. The next prime is 1942432637. The reversal of 1942432630 is 362342491.

It is a happy number.

It is a super-4 number, since 4×19424326304 (a number of 38 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1942432637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 740077 + ... + 742696.

It is an arithmetic number, because the mean of its divisors is an integer number (220191939).

Almost surely, 21942432630 is an apocalyptic number.

1942432630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1942432630 is a deficient number, since it is larger than the sum of its proper divisors (1580638394).

1942432630 is a wasteful number, since it uses less digits than its factorization.

1942432630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482911.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 1942432630 is about 44073.0374492160. The cubic root of 1942432630 is about 1247.7147858496.

The spelling of 1942432630 in words is "one billion, nine hundred forty-two million, four hundred thirty-two thousand, six hundred thirty".

Divisors: 1 2 5 10 131 262 655 1310 1482773 2965546 7413865 14827730 194243263 388486526 971216315 1942432630