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70146480 = 24351915383
BaseRepresentation
bin1000010111001…
…01100110110000
311212222210212210
410023211212300
5120424141410
610543252120
71511143455
oct413454660
9155883783
1070146480
11366610a8
121b5aa040
13116c03c1
14945d82c
156259220
hex42e59b0

70146480 has 80 divisors (see below), whose sum is σ = 228913920. Its totient is φ = 17720064.

The previous prime is 70146463. The next prime is 70146497. The reversal of 70146480 is 8464107.

It is an interprime number because it is at equal distance from previous prime (70146463) and next prime (70146497).

It is a tau number, because it is divible by the number of its divisors (80).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3132 + ... + 12251.

It is an arithmetic number, because the mean of its divisors is an integer number (2861424).

Almost surely, 270146480 is an apocalyptic number.

It is an amenable number.

70146480 is an abundant number, since it is smaller than the sum of its proper divisors (158767440).

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

70146480 is a wasteful number, since it uses less digits than its factorization.

70146480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15418 (or 15412 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 70146480 is about 8375.3495449444. The cubic root of 70146480 is about 412.4157991591.

The spelling of 70146480 in words is "seventy million, one hundred forty-six thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 38 40 48 57 60 76 80 95 114 120 152 190 228 240 285 304 380 456 570 760 912 1140 1520 2280 4560 15383 30766 46149 61532 76915 92298 123064 153830 184596 230745 246128 292277 307660 369192 461490 584554 615320 738384 876831 922980 1169108 1230640 1461385 1753662 1845960 2338216 2922770 3507324 3691920 4384155 4676432 5845540 7014648 8768310 11691080 14029296 17536620 23382160 35073240 70146480