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70429580 = 225131953269
BaseRepresentation
bin1000011001010…
…10101110001100
311220112012012222
410030222232030
5121012221310
610553314512
71513433024
oct414525614
9156465188
1070429580
1136834871
121b705a38
131178c210
1494d4a84
1562b3055
hex432ab8c

70429580 has 96 divisors (see below), whose sum is σ = 171460800. Its totient is φ = 24081408.

The previous prime is 70429577. The next prime is 70429607. The reversal of 70429580 is 8592407.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 70429580.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261686 + ... + 261954.

It is an arithmetic number, because the mean of its divisors is an integer number (1786050).

Almost surely, 270429580 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70429580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85730400).

70429580 is an abundant number, since it is smaller than the sum of its proper divisors (101031220).

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

70429580 is a wasteful number, since it uses less digits than its factorization.

70429580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 70429580 is about 8392.2333142019. The cubic root of 70429580 is about 412.9698692322.

The spelling of 70429580 in words is "seventy million, four hundred twenty-nine thousand, five hundred eighty".

Divisors: 1 2 4 5 10 13 19 20 26 38 52 53 65 76 95 106 130 190 212 247 260 265 269 380 494 530 538 689 988 1007 1060 1076 1235 1345 1378 2014 2470 2690 2756 3445 3497 4028 4940 5035 5111 5380 6890 6994 10070 10222 13091 13780 13988 14257 17485 20140 20444 25555 26182 28514 34970 51110 52364 57028 65455 66443 69940 71285 102220 130910 132886 142570 185341 261820 265772 270883 285140 332215 370682 541766 664430 741364 926705 1083532 1328860 1354415 1853410 2708830 3521479 3706820 5417660 7042958 14085916 17607395 35214790 70429580