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70713480 = 23353119009
BaseRepresentation
bin1000011011100…
…00000010001000
311221001121122210
410031300002020
5121100312410
611003345120
71516024515
oct415600210
9157047583
1070713480
1136a090a2
121b8221a0
131185b4c6
14956a30c
15631c220
hex4370088

70713480 has 64 divisors (see below), whose sum is σ = 218995200. Its totient is φ = 18247680.

The previous prime is 70713469. The next prime is 70713481. The reversal of 70713480 is 8431707.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (70713481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5785 + ... + 13224.

It is an arithmetic number, because the mean of its divisors is an integer number (3421800).

Almost surely, 270713480 is an apocalyptic number.

It is an amenable number.

70713480 is an abundant number, since it is smaller than the sum of its proper divisors (148281720).

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

70713480 is a wasteful number, since it uses less digits than its factorization.

70713480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19054 (or 19050 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 70713480 is about 8409.1307517484. The cubic root of 70713480 is about 413.5240159617.

The spelling of 70713480 in words is "seventy million, seven hundred thirteen thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 31 40 60 62 93 120 124 155 186 248 310 372 465 620 744 930 1240 1860 3720 19009 38018 57027 76036 95045 114054 152072 190090 228108 285135 380180 456216 570270 589279 760360 1140540 1178558 1767837 2281080 2357116 2946395 3535674 4714232 5892790 7071348 8839185 11785580 14142696 17678370 23571160 35356740 70713480