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742398284 = 22585131721
BaseRepresentation
bin101100010000000…
…001100101001100
31220201221201222202
4230100001211030
53010023221114
6201400101032
724253165325
oct5420014514
91821851882
10742398284
11351078901
12188764778
13baa65734
147085344c
1545299cde
hex2c40194c

742398284 has 12 divisors (see below), whose sum is σ = 1299460008. Its totient is φ = 371124000.

The previous prime is 742398277. The next prime is 742398299. The reversal of 742398284 is 482893247.

It is a super-2 number, since 2×7423982842 = 1102310424172289312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7544 + ... + 39264.

It is an arithmetic number, because the mean of its divisors is an integer number (108288334).

Almost surely, 2742398284 is an apocalyptic number.

It is an amenable number.

742398284 is a deficient number, since it is larger than the sum of its proper divisors (557061724).

742398284 is a wasteful number, since it uses less digits than its factorization.

742398284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37576 (or 37574 counting only the distinct ones).

The product of its digits is 774144, while the sum is 47.

The square root of 742398284 is about 27246.9866957798. The cubic root of 742398284 is about 905.4802591202.

The spelling of 742398284 in words is "seven hundred forty-two million, three hundred ninety-eight thousand, two hundred eighty-four".

Divisors: 1 2 4 5851 11702 23404 31721 63442 126884 185599571 371199142 742398284