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307304379040 = 25512715123247
BaseRepresentation
bin1000111100011001100…
…01001011001010100000
31002101012120101221002011
410132030301023022200
520013324410112130
6353101303202304
731126201060141
oct4361461131240
91071176357064
10307304379040
1110936634639a
124b683746394
1322c95206899
1410c33291ac8
157ed8a9e52a
hex478cc4b2a0

307304379040 has 48 divisors (see below), whose sum is σ = 731723231232. Its totient is φ = 121953855744.

The previous prime is 307304379001. The next prime is 307304379073. The reversal of 307304379040 is 40973403703.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 307304378984 and 307304379002.

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, 7541304 + ... + 7581943.

It is an arithmetic number, because the mean of its divisors is an integer number (15244233984).

Almost surely, 2307304379040 is an apocalyptic number.

It is an amenable number.

307304379040 is an abundant number, since it is smaller than the sum of its proper divisors (424418852192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

307304379040 is a wasteful number, since it uses less digits than its factorization.

307304379040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15123389 (or 15123381 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 40.

The spelling of 307304379040 in words is "three hundred seven billion, three hundred four million, three hundred seventy-nine thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 127 160 254 508 635 1016 1270 2032 2540 4064 5080 10160 20320 15123247 30246494 60492988 75616235 120985976 151232470 241971952 302464940 483943904 604929880 1209859760 1920652369 2419719520 3841304738 7682609476 9603261845 15365218952 19206523690 30730437904 38413047380 61460875808 76826094760 153652189520 307304379040